Bonić, Dejan, Aleksandra Stanković, Ivan Krstić, Dejan Davidović, Ivan Radojković, Ana Veličković, and Dragan Veličković. “The Analysis of the Collective Diet of Preschool Children in Niš, Serbia and Potential Health Risks”. Progress in Nutrition 20, no. 3 (September 23, 2018): 387–394. Accessed December 8, 2021. https://www.mattioli1885journals.com/index.php/progressinnutrition/article/view/6729.