E. Lindayani, N. siti Sukaesih, R. A. Nariswari, and D. Y. Rahmat, “Exclusive Breastfeeding and Timing of Postpartum Menstrual Resumption among Lactating Mothers: A Cross-Sectional Study”, HTechj, vol. 4, no. 5, pp. 651–662, Oct. 2026.