Dewi, Gusti Ayu Triara, and Lucia Yovita Hendrati. “Breast Cancer Risk Analysis by the Use of Hormonal Contraceptives and Age of Menarche”. Jurnal Berkala Epidemiologi 3, no. 1 (January 26, 2016): 12–23. Accessed August 3, 2024. https://e-journal.unair.ac.id/JBE/article/view/1309.