Sipasulta, G.C. et al. 2026. Micronutrient Supplementation and Its Association with Prevention of Postpartum Blues and Breastfeeding Outcomes: A Prospective Cohort Study in Balikpapan City . Jurnal Bidan Cerdas. 8, 1 (Mar. 2026), 80–88. DOI:https://doi.org/10.33860/jbc.v8i1.4348.