SANJAYA, R. . Headmaster’s Strategy in Developing Environmental Care Character at SMA Negeri 9 Rejang Lebong. International Journal of Education Research and Development, [S. l.], v. 1, n. 1, p. 16–30, 2021. DOI: 10.52760/ijerd.v1i1.5. Disponível em: https://www.yayasancec.or.id/e-journal/index.php/corolla/article/view/5. Acesso em: 9 apr. 2026.