MAT ISA, N. I.; HUSSIN, M. R.; ABDUL RAHIM, N. H. F.; WAN IZHAM, W. N. I.; BAKERI, N. A. I.; SHAMSUL ANUAR, F. N.; MOHBOB, N. Bullying Problems among School Students. Journal of Humanities and Social Sciences (JHASS), v. 2, n. 1, p. 22-33, 10 Apr. 2020.