“WHAT CAUSED IRREGULAR MENSTRUAL PATTERN AMONG SPORT SCIENCE FACULTY STUDENTS AT UNIVERSITAS NEGERI MALANG?”. The Southeast Asian Journal of Tropical Medicine and Public Health, vol. 54, no. Suppl 2, Mar. 2024, pp. 461-77, https://journal.seameotropmednetwork.org/index.php/jtropmed/article/view/1063.