Gedamu, Abate Demissie, and Getu Lemma Shewangizaw. “Validation of Questionnaire on Teachers’ Beliefs and Practices of Cooperative Group Work Assessment”. Ethiopian Journal of Business and Social Sciences 5, no. 1 (May 23, 2023): 25-36. Accessed July 13, 2025. https://survey.amu.edu.et/ojs/index.php/EJBSS/article/view/153.