SILALAHI, Y. F. . The Effect of Education on the Utilization of Posyandu During the Covid 19 Pandemic in Sei Rattan Village, Percut Sei Tuan District, Deli Serdang Regency. Journal of Midwifery and Nursing, [S. l.], v. 4, n. 1, p. 1-6, 2022. DOI: 10.35335/jmn.v4i1.1710. Disponível em: https://www.ejournal.iocscience.org/index.php/JMN/article/view/1710. Acesso em: 10 nov. 2026.