PESARAKLOO, Moslem; KARIM AVA, Areena; BAYANI, Ali Asghar. A Comparative Analysis of Academic Achievement in Single-Grade and Multi-Grade Classes: A Case Study of Primary Schools in Golestan Province. Assessment and Practice in Educational Sciences, [S. l.], v. 3, n. 4, p. 1–11, 2025. DOI: 10.61838/japes.122. Disponível em: https://journalapes.com/index.php/apes/article/view/122.. Acesso em: 1 dec. 2025.