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), pp. 2399–2410. doi: 10.55927/fjas.v2i10.6632.