Cacayorin, R., Almodiel, .L., Angara, .R.L., Bulosan, J.K., Pajarillo, M.E. and Mosqueda, Ph.D. CRIM, R.D. 2019. The Effectiveness of Checkpoint Conducted by the Philippine National Police at Batasan Hills During Campaign Period. Ascendens Asia Singapore – Bestlink College of the Philippines Journal of Multidisciplinary Research. 1, 1 (Apr. 2019).