Hikmanti, A. and Martyarini Budi Setyawati 2026. Usability and Acceptability of a Co-Designed Menstruation Tracker App for Indonesian Adolescent Girls. Journal of Advanced Health Informatics Research. 4, 1 (Jul. 2026), 40–47. DOI:https://doi.org/10.59247/jahir.v4i1.407.