Oliber A. Arde, Jr, PhD, RN, B., and . E. A. Claudio, Ed.D, RN. “Health Behaviors and Protective Factors of International Students in the University of Northern Philippines”. PROCEEDING SURABAYA INTERNATIONAL HEALTH CONFERENCE 2019, vol. 1, no. 1, June 2020, pp. 56-74, https://conferences.unusa.ac.id/index.php/SIHC19/article/view/501.