Maternal self-efficacy: perspectives on formula milk and insufficient breast milk in Koja District Health Center, Indonesia. Healthcare in Low-resource Settings, [S. l.], v. 13, n. s1, 2025. DOI: 10.4081/hls.2025.13017. Disponível em: https://www.pagepressjournals.org/hls/article/view/13017. Acesso em: 8 jun. 2026.