@article{ author = {Heidarilaghab, Tahere, aminbeidokhti, ali akbar, talepasand, siavash}, title = {The Effectiveness of Teachers’ Traininig in Effective Classroom Management on Cognitive Outcomes :perceptions of classroom environment and time on task}, journal = {Journal of New Approaches in Educational Administration}, year = {2021}, volume = {12}, number = {2}, pages = {93-107}, doi = {10.30495/jedu.2021.24268.4874} }