Sinaga, D., Sitepu, A. . and Sianturi, M. . (2021) “Relationship Of Mother’s Knowledge About Protein Energy Malnutrition With Nutritional Status Of Preschool Children In Kristina Clinic Perumnas Sidikalang In 2021”, Science Midwifery, 10(1, October), pp. 151–155. Available at: https://www.midwifery.iocspublisher.org/index.php/midwifery/article/view/176 (Accessed: 2 May 2026).