Bolo, C.G. , Belen, A.A. , Garsula, R. , Mangompit, J.D. , Remulta, H.P. and Ablen, D.A.S. 2019. Bullying: Effects in the Academic Performance of Grade 9 Students in Tandang Sora National. Ascendens Asia Singapore – Bestlink College of the Philippines Journal of Multidisciplinary Research. 1, 1 (Apr. 2019).