The Effectiveness of Teacher Leadership and Students Involvement in Co-Curricular Activities in Malaysia Secondary School. Borneo International Journal of Islamic Studies, [S. l.], v. 1, n. 2, p. 129–145, 2019. DOI: 10.21093/bijis.v1i2.1502. Disponível em: https://journal.uinsi.ac.id/index.php/bijis/article/view/1502. Acesso em: 8 aug. 2026.