NUGROHO, Ahmadi Sapto; SARYANTO, Saryanto; JUMINTONO, Jumintono. Principal Supervisory Management in Improving the Quality of Learning at SMP . Journal of Creative Power and Ambition (JCPA), [S. l.], v. 4, n. 01, p. 1015–1028, 2026. Disponível em: https://edujavare.com/index.php/jcpa/article/view/1373. Acesso em: 11 sep. 2026.