KHALID, N. F.; SYED ABDULLAH, S. M.; AHMAD, N. S.; SAHELL, A. M. Determining Effective Reinforcement Activities for Addressing Adolescent Self-Concept with Disciplinary Issues: A Fuzzy Delphi method approach. Environment-Behaviour Proceedings Journal, [S. l.], v. 10, n. SI24, p. 3–9, 2025. DOI: 10.21834/e-bpj.v10iSI24.6358. Disponível em: https://ebpj.e-iph.co.uk/index.php/EBProceedings/article/view/6358. Acesso em: 1 oct. 2025.