ÇEBI, H.; ARSLAN, M. The Effect of Project-Based Recycling Education on Students’ Recycling Knowledge Levels. Science Insights Education Frontiers, [S. l.], v. 31, n. 1, p. 4959–4976, 2025. DOI: 10.15354/sief.25.or840. Disponível em: https://mail.bonoi.org/index.php/sief/article/view/1591. Acesso em: 16 apr. 2026.