I. F. Harahap, R. Yanti, and R. M. Hutasuhut, “Pregnant Women’s Health Education About Exclusive Breastfeeding For Babies In Aek Haruaya Village, Sub-District Portibi, North Padang Lawas Regency In 2026”, IJCS, vol. 5, no. 1, pp. 349–352, May 2026.