Cahyani, Sisilia Leny, Sulansi Sulansi, and Bringiwati Batbual. 2016. “Age, Parity, Antenatal Care and Pregnancy Complication As Contributing Factors of Low Birth Weight Infants”. International Journal of Sciences: Basic and Applied Research (IJSBAR) 30 (3):1-7. https://www.gssrr.org/index.php/JournalOfBasicAndApplied/article/view/6491.