DR. HABA ABDELMALEK. Psychological Harmony among Pre-school Students (A Field Study on a Sample of Pre-school Section Children in El-Oued Municipality) . Pegem Journal of Education and Instruction, [S. l.], v. 15, n. 4, p. 2965–2974, 2025. Disponível em: https://pegegog.net/index.php/pegegog/article/view/4485. Acesso em: 12 mar. 2026.