Essie Octiara, Grace Anastasia Tarigan. Mother’s Knowledge regarding the Functions of Children’s Primary Teeth in Salapian District, Langkat-North Sumatera. Dentika Dental J. [Internet]. 2022Oct.28 [cited 2024Apr.28];25(2):54-61. Available from: https://talenta.usu.ac.id/dentika/article/view/8886