Lestari, Yanesti Nuravianda, et al. “Breakfast Pattern, Nutritional Status, and Nutritional Intake of School-Age Children (Studies in Fifth-Grade Students of Kartika Elementary School, Banyu Urip, Surabaya)”. Child Education Journal, vol. 3, no. 1, May 2021, pp. 39-48, doi:10.33086/cej.v3i1.1987.