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