Sitorus, Ahmad Syukri. “Nutritional Status of Children: The Correlation of Socioeconomic Status and Parental Involvement”. International Journal of Psychosocial Rehabilitation 24, no. 6 (June 30, 2020): 7692–7696. Accessed July 25, 2025. https://www.psychosocial.com/index.php/ijpr/article/view/7290.