SIREGAR, Gurnal Rai Gandra; LUBIS, Munar; FUJIATI, Isti Ilmiati. Correlation between Breastfeeding Duration and Motor Development in Children. Sumatera Medical Journal, [S. l.], v. 1, n. 1, p. 6–10, 2018. DOI: 10.32734/sumej.v1i1.440. Disponível em: https://idjpcr.usu.ac.id/smj/article/view/440. Acesso em: 18 dec. 2025.