List of Articles lesson study Open Access Article Abstract Page Full-Text 1 - An investigation of levels and consequences of lesson-study-based empowerment teachers and test of intervening role of facilitating factors; report of a mixed-method research Roghaieh sami Moosa Piri behname talebi Open Access Article Abstract Page Full-Text 2 - The effectiveness of implementing a math lesson plan with lesson study approach in critical thinking and problem solving methods(case study: 9th grade male and female students in Tehran) Fatemeh Pashanejati hassan shahrakipor افسانه صابر گرگانی