Aryal, Tika R. “Age at Menarche and Its Relation to Ages at Marriage, First-Birth and Menopause Among Rural Nepalese Females”. Nepal Journal of Science and Technology 12 (July 23, 2012): 276–285. Accessed December 6, 2025. https://www.nepjol.info/index.php/NJST/article/view/6513.