Marshall Xaverius Tjipto, Chrismis Novalinda Ginting, and 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, vol. 6, no. 6, pp. 8633–8638, Oct. 2026.