سعيدي عتيقة. Principles and objectives of healthy environmental education for children: تاريخ الاستلام: 17 / 02 / 2025 تاريخ القبول: 21 / 10 / 2025. Human Resources Development Research, [S. l.], v. 20, n. 02, p. 128–142, 2025. Disponível em: https://rdrh.univ-setif2.dz/index.php/rdrh/article/view/7. Acesso em: 14 jun. 2026.