NURMAYNI; GURNING, F. P. Faktor yang mempengaruhi implementasi program vaksinasi Covid-19 di Kabupaten Labuhanbatu Selatan. Tropical Public Health Journal, [S. l.], v. 2, n. 2, p. 107–111, 2022. DOI: 10.32734/trophico.v2i2.10135. Disponível em: https://idjpcr.usu.ac.id/trophico/article/view/10135. Acesso em: 16 aug. 2025.