diff --git a/src/main/java/com/annimon/ownlang/parser/ast/UseStatement.java b/src/main/java/com/annimon/ownlang/parser/ast/UseStatement.java
index 7a40d23..568b63b 100644
--- a/src/main/java/com/annimon/ownlang/parser/ast/UseStatement.java
+++ b/src/main/java/com/annimon/ownlang/parser/ast/UseStatement.java
@@ -1,5 +1,9 @@
 package com.annimon.ownlang.parser.ast;
 
+import com.annimon.ownlang.exceptions.TypeException;
+import com.annimon.ownlang.lib.ArrayValue;
+import com.annimon.ownlang.lib.Types;
+import com.annimon.ownlang.lib.Value;
 import com.annimon.ownlang.modules.Module;
 import java.lang.reflect.Method;
 
@@ -21,9 +25,24 @@ public final class UseStatement extends InterruptableNode implements Statement {
     @Override
     public void execute() {
         super.interruptionCheck();
+        final Value value = expression.eval();
+        switch (value.type()) {
+            case Types.ARRAY:
+                for (Value module : ((ArrayValue) value)) {
+                    loadModule(module.asString());
+                }
+                break;
+            case Types.STRING:
+                loadModule(value.asString());
+                break;
+            default:
+                throw new TypeException("Array or string required");
+        }
+    }
+
+    private void loadModule(String name) {
         try {
-            final String moduleName = expression.eval().asString();
-            final Module module = (Module) Class.forName(String.format(PACKAGE, moduleName, moduleName)).newInstance();
+            final Module module = (Module) Class.forName(String.format(PACKAGE, name, name)).newInstance();
             module.init();
         } catch (Exception ex) {
             throw new RuntimeException(ex);
@@ -31,14 +50,30 @@ public final class UseStatement extends InterruptableNode implements Statement {
     }
 
     public void loadConstants() {
+        final Value value = expression.eval();
+        switch (value.type()) {
+            case Types.ARRAY:
+                for (Value module : ((ArrayValue) value)) {
+                    loadConstants(module.asString());
+                }
+                break;
+            case Types.STRING:
+                loadConstants(value.asString());
+                break;
+            default:
+                throw new TypeException("Array or string required");
+        }
+    }
+
+    private void loadConstants(String moduleName) {
         try {
-            final String moduleName = expression.eval().asString();
             final Class<?> moduleClass = Class.forName(String.format(PACKAGE, moduleName, moduleName));
             final Method method = moduleClass.getMethod(INIT_CONSTANTS_METHOD);
             if (method != null) {
                 method.invoke(this);
             }
         } catch (Exception ex) {
+            // ignore
         }
     }
     
diff --git a/src/main/java/com/annimon/ownlang/parser/linters/UseWithNonStringValueValidator.java b/src/main/java/com/annimon/ownlang/parser/linters/UseWithNonStringValueValidator.java
index fa4745c..de1e51b 100644
--- a/src/main/java/com/annimon/ownlang/parser/linters/UseWithNonStringValueValidator.java
+++ b/src/main/java/com/annimon/ownlang/parser/linters/UseWithNonStringValueValidator.java
@@ -1,6 +1,7 @@
 package com.annimon.ownlang.parser.linters;
 
 import com.annimon.ownlang.Console;
+import com.annimon.ownlang.lib.ArrayValue;
 import com.annimon.ownlang.lib.Types;
 import com.annimon.ownlang.lib.Value;
 import com.annimon.ownlang.parser.ast.*;
@@ -23,9 +24,26 @@ public final class UseWithNonStringValueValidator extends LintVisitor {
         }
 
         final Value value = ((ValueExpression) st.expression).value;
-        if (value.type() != Types.STRING) {
-            Console.error(String.format(
-                    "Warning: `use` with %s - %s, not string", Types.typeToString(value.type()), value.asString()));
+        switch (value.type()) {
+            case Types.STRING:
+                // ok
+                break;
+            case Types.ARRAY:
+                // ok, need additional check
+                for (Value module : ((ArrayValue) value)) {
+                    if (module.type() != Types.STRING) {
+                        warnWrongType(module);
+                    }
+                }
+                break;
+            default:
+                warnWrongType(value);
         }
     }
+
+    private void warnWrongType(Value value) {
+        Console.error(String.format(
+                "Warning: `use` with %s - %s, not string",
+                Types.typeToString(value.type()), value.asString()));
+    }
 }
diff --git a/src/test/resources/modules/base64/base64.own b/src/test/resources/modules/base64/base64.own
index 841dfdd..b9e11db 100644
--- a/src/test/resources/modules/base64/base64.own
+++ b/src/test/resources/modules/base64/base64.own
@@ -1,6 +1,4 @@
-use "base64"
-use "functional"
-use "types"
+use ["base64", "functional", "types"]
 
 base64Example = [0x42, 0x61, 0x73, 0x65, 0x36, 0x34, 0x20, 0x45, 0x78, 0x61, 0x6D, 0x70, 0x6C, 0x65]
 base64Example_enc = [0x51, 0x6D, 0x46, 0x7A, 0x5A, 0x54, 0x59, 0x30,
diff --git a/src/test/resources/modules/files/files.own b/src/test/resources/modules/files/files.own
index f4591b8..4f9c7e3 100644
--- a/src/test/resources/modules/files/files.own
+++ b/src/test/resources/modules/files/files.own
@@ -1,5 +1,4 @@
-use "files"
-use "types"
+use ["files", "types"]
 
 def testFiles() {
   // writeLong
diff --git a/src/test/resources/modules/functional/stream.own b/src/test/resources/modules/functional/stream.own
index c3c5ae3..6268143 100644
--- a/src/test/resources/modules/functional/stream.own
+++ b/src/test/resources/modules/functional/stream.own
@@ -1,6 +1,4 @@
-use "std"
-use "functional"
-use "math"
+use ["std", "functional", "math"]
 
 def testStream() {
   data = [1,2,3,4,5,6,7]
diff --git a/src/test/resources/modules/java/classes.own b/src/test/resources/modules/java/classes.own
index 04a8dd2..2ccb6ad 100644
--- a/src/test/resources/modules/java/classes.own
+++ b/src/test/resources/modules/java/classes.own
@@ -1,5 +1,4 @@
-use "std"
-use "java"
+use ["std", "java"]
 
 def testCheckNull() {
   assertTrue(isNull(null))
diff --git a/src/test/resources/modules/std/range.own b/src/test/resources/modules/std/range.own
index d1e13fe..ae616db 100644
--- a/src/test/resources/modules/std/range.own
+++ b/src/test/resources/modules/std/range.own
@@ -1,6 +1,4 @@
-use "std"
-use "types"
-use "functional"
+use ["std", "types", "functional"]
 
 def testRangeParams() {
   x = range(10)
diff --git a/src/test/resources/modules/yaml/yamldecode.own b/src/test/resources/modules/yaml/yamldecode.own
index 1cc2565..fc335af 100644
--- a/src/test/resources/modules/yaml/yamldecode.own
+++ b/src/test/resources/modules/yaml/yamldecode.own
@@ -1,24 +1,22 @@
-use "std"
-use "yaml"
-use "ounit"
+use ["std", "yaml", "ounit"]
 
 x = yamldecode("
   name: \"std\"
   scope: \"both\"
   desc: \"Contains common functions\"
-  desc_ru: \"Содержит вспомогательные функции общего назначения\"
+  desc_ru: \"Содержит вспомогательные функции общего назначения\"
   constants: []
   functions:
     -
       name: \"arrayCombine\"
       args: \"keys, values\"
       desc: \"creates map by combining two arrays\"
-      desc_ru: \"создаёт объект на основе двух массивов\"
+      desc_ru: \"создаёт объект на основе двух массивов\"
     -
       name: \"typeof\"
       args: \"value\"
       desc: \"returns the type of value\"
-      desc_ru: \"возвращает тип переданного значения\"
+      desc_ru: \"возвращает тип переданного значения\"
       example: |-
         print typeof(1) // 1 (NUMBER)
         print typeof(\"text\") // 2 (STRING)
@@ -30,4 +28,4 @@ assertEquals("both", x.scope)
 assertEquals(0, length(x.constants))
 assertEquals(2, length(x.functions))
 assertEquals("arrayCombine", x.functions[0].name)
-assertEquals("возвращает тип переданного значения", x.functions[1].desc_ru)
\ No newline at end of file
+assertEquals("возвращает тип переданного значения", x.functions[1].desc_ru)
\ No newline at end of file
diff --git a/src/test/resources/modules/yaml/yamlencode.own b/src/test/resources/modules/yaml/yamlencode.own
index a54e33d..cf2e465 100644
--- a/src/test/resources/modules/yaml/yamlencode.own
+++ b/src/test/resources/modules/yaml/yamlencode.own
@@ -1,6 +1,4 @@
-use "std"
-use "yaml"
-use "ounit"
+use ["std", "yaml", "ounit"]
 
 yml = yamlencode({
   "name": "Yaml Example",