HOSMAH ABDU RAJI; ABDUL SAID AMBOTANG. KEPIMPINAN INSTRUKSIONAL PENGETUA DAN KUALITI GURU SEKOLAH MENENGAH TS25 DI SABAH: PRINCIPAL INSTRUCTIONAL LEADERSHIP AND TEACHER QUALITY IN TS25 SECONDARY SCHOOLS IN SABAH. INTERNATIONAL JOURNAL OF EDUCATION, PSYCHOLOGY AND COUNSELLING (IJEPC), [S. l.], v. 10, n. 57, 2025. DOI: 10.35631/IJEPC.1057054. Disponível em: https://gaexcellence.com/ijepc/article/view/5077. Acesso em: 4 aug. 2025.