TY - JOUR AU - sami, Roghaieh AU - Piri, Moosa AU - talebi, behname TI - 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 JO - Educational researches VL - 16 IS - 67 SP - 137 EP - 160 PY - 2021 DO - ER -