Novi Herawati and Deharnita (2019) “Gambaran Faktor-Faktor Penyebab Terjadinya Perilaku Bullying pada Anak: Overview of Factors Causing the Occurrence of Bullying Behavior in Children”, NERS Jurnal Keperawatan, 15(1), pp. 60–66. doi: 10.25077/njk.v15i1.168.