Aruta, J. ., J. . Calosor, J. . Florindo, E. . Garino, J. . Sumaylo, and D. A. G. . Osorio RC MS Crim. “Problems Encountered By Police Officers in Conducting Buy-Bust Operation and Drug Related Cases in Batasan Hills, Quezon City”. Ascendens Asia Singapore – Bestlink College of the Philippines Journal of Multidisciplinary Research, vol. 1, no. 1, Apr. 2019, https://ojs.aaresearchindex.com/index.php/aasgbcpjmra/article/view/1501.