Factors Affecting the Utilization of Pneumococcal Conjugate Vaccine (PCV) at Health Centers. JURNAL KESMAS DAN GIZI (JKG), [S. l.], v. 8, n. 1, p. 775–782, 2025. DOI: 10.35451/e1n8wf82. Disponível em: https://ejournal.medistra.ac.id/index.php/JKG/article/view/3231. Acesso em: 2 nov. 2025.