Riduan Nasution, Nurul Hidayati Murtafiah, and Sri Fatmawati. “ETOS KERJA KEPALA SEKOLAH MENENGAH PERTAMA (SMP) SALMAN ALFARISI HARAPAN JAYA CIBINONG”. UNISAN JURNAL, vol. 2, no. 3, Mar. 2023, pp. 280-9, https://journal.an-nur.ac.id/index.php/unisanjournal/article/view/994.