Handayani DS, Hapsari ED, Widyandana W. Perceived Ease of Use and Usefulness of Facebook for Premenstrual Syndrome Health Education. JPK [Internet]. 2022 Mar. 23 [cited 2024 Nov. 25];10(1):58-64. Available from: https://e-journal.unair.ac.id/PROMKES/article/view/32295