WAFA; FRENAYA PUTRI INDIRA; MAIRA RYU LANA AGHNAITA; SITI ZAINA IKRAMULLAH; AMALINA KHAIRUNISA MUMTAZ; NADIA NAMIRA MECCA. RISK FACTORS OF BREAST CANCER AMONG WOMEN OF REPRODUCTIVE AGE: A LITERATURE REVIEW OF OBSERVATIONAL STUDIES (2021-2026). Journal of Research in Pharmacy and Pharmaceutical Sciences, [S. l.], v. 5, n. 1, p. 1–8, 2026. DOI: 10.33533/jrpps.v5i1.14065. Disponível em: https://ejournal.upnvj.ac.id/JRPPS/article/view/14065. Acesso em: 25 sep. 2026.