TY - JOUR AU - نادی, محمد علی AU - گردان‌شکن, مریم AU - گلپرور, محسن TI - Effect of Critical Thinking, Problem Solving and Meta-Cognitive on Students' Self-Directed Learning JO - Research in Curriculum Planning VL - 7 IS - 2 SP - 53 EP - 61 PY - 2011 DO - ER -