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 (Mar. 2019), 60–66. DOI:https://doi.org/10.25077/njk.v15i1.168.