Purnama, Tri Bayu, and Windi Aulia. 2023. “THE BIRTH WEIGHT CHARACTERISTICS IN RURAL AND URBAN AREAS IN THE PROVINCE OF NORTH SUMATERA, INDONESIA”. Jurnal Biometrika Dan Kependudukan 12 (1):91-99. https://doi.org/10.20473/jbk.v12i1.2023.91-99.