Setiawan, W.V., Fitrisna, V.E., Michellianouva, F. and Mayliza, C.S. 2020. Cyberbullying Phenomenon of High School Students: An Exploratory Study in West Kalimantan, Indonesia. Journal The Winners. 21, 1 (Feb. 2020), 15-20. DOI:https://doi.org/10.21512/tw.v21i1.5878.