Seyed Sadra Nojbaee, Ghazal Ahmadi(Corresponding Author), Ehteram Ghasemabadi. EVALUATION OF THE RELATIONSHIP BETWEEN PSYCO-SOCIAL ENVIRONMENTS OF CLASS AND EDUCATION PROGRESS OF STUDENTS. SJBEM [Internet]. 2014 Dec. 31 [cited 2026 May 25];2((12):22-9. Available from: https://singaporeanjbem.com/index.php/SJBEM/article/view/297