MARDATILLAH, Nur Isma; HERLIAH, Endang; SALAMAH, Alim; PARDOSI, Jawatir. Transformation of the Role Of OSIS as a Joyful Learning Agent in Strengthening Student Character at SMA Negeri 5 Samarinda. Journal of Educational Sciences, [S. l.], v. 9, n. 6, p. 5482–5494, 2025. DOI: 10.31258/jes.9.6.p.5482-5494. Disponível em: https://jes.ejournal.unri.ac.id/index.php/JES/article/view/794. Acesso em: 8 oct. 2026.