Nasution, Ramadhani Syafitri, Khairi Che Mat, and Marhazlina Mohamad. “Comparison of Positive Deviance Between Normal Nutrition and Undernutrition in Children Under Five Years Old from Low-Income Families at Community Health Centres in Medan”. International Journal of Public Health Excellence (IJPHE) 4, no. 1 (December 30, 2024): 332–339. Accessed January 30, 2025. https://ejournal.ipinternasional.com/index.php/ijphe/article/view/1129.