Haryani, Sulthan Sayhril and Dewi Yanti (2023) “ETOS KERJA KEPALA SEKOLAH SMAS AL KAHFI ISLAMIC SCHOOL BATAM (AIS) KEPULAUAN RIAU ”, UNISAN JURNAL, 2(3), pp. 881–889. Available at: https://journal.an-nur.ac.id/index.php/unisanjournal/article/view/1264 (Accessed: 14February2026).