PENINGKATAN PENGETAHUAN IBU TENTANG PENCEGAHAN STUNTING MELALUI EDUKASI DIGITAL BERBASIS WHATSAPP GROUP. OPTIMAL [Internet]. 2025 Jun. 10 [cited 2025 Oct. 12];2(1). Available from: https://jurnal.optimaluntuknegeri.com/index.php/pkm-bidan/article/view/189