Marshall Xaverius Tjipto, Chrismis Novalinda Ginting, Sri Wahyuni Nasution. THE EFFECTIVENESS OF POSTER AND VIDEO MEDIA EDUCATION TO INCREASE MOTHERS’ KNOWLEDGE OF TODDLERS ABOUT DIARRHEA PREVENTION AT THE MELATI INTEGRATED HEALTH POST (POSYANDU). MORFAI [Internet]. 2026 Oct. 13 [cited 2026 Oct. 17];6(6):8633-8. Available from: https://radjapublika.com/index.php/MORFAI/article/view/6556