SARTIKA, S.; SEMBIRING, D. R. S.; BR MANURUNG, L. The Relationship between Mother’s Knowledge and Attitudes with Early Complementary Breastfeeding in the Pratama Gita Deli Tua Clinic Working Area. Journal of Physical Activity and Health, [S. l.], v. 2, n. 1, p. 1–6, 2024. Disponível em: https://journal.trasaka.com/index.php/JOPAH/article/view/16. Acesso em: 8 sep. 2025.