Study on the Development of Educational Performance of Students in the Primary Cycle of Education. GYMNASIUM, [S. l.], v. 19, n. 2, p. 50–63, 2019. DOI: 10.29081/gsjesh.2018.19.2.05. Disponível em: https://gymnasium.ub.ro/journal/article/view/522. Acesso em: 25 may. 2025.