Kurniawati Agustin, Jasmawati, and Lukman Nulhakim. 2023. “The Effect of Health Education via WhatsApp on Knowledge About Exclusive Breastfeeding in Pregnant Women Trimester III at the Salok Api Darat Sub-Puskesmas”. Formosa Journal of Applied Sciences 2 (10):2399-2410. https://doi.org/10.55927/fjas.v2i10.6632.