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Djumardin D, Utari W. PENINGKATAN DISIPLIN KERJA GURU DI SMK NUSANTARA BALIKPAPAN KALIMANTAN TIMUR. jmb [Internet]. 28Dec.2022 [cited 22Nov.2024];5(3):169-81. Available from: http://jurnal.uwp.ac.id/pps/index.php/mm/article/view/459