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• Yari Haj Atalou.Jahanghir Analysis of Lean Thinking Principles and Presenting Lean Management Model for Education Using Grand Theory Method (Mixed Research) [ Vol.12, Issue 1 - Summer Year 1401]
• Yousefi.Majid Investigating of the mathematical creativity of tenth grade students using open ended problem posing in structured situations [ Vol.12, Issue 3 - Winter Year 1401]