L. Podrigalo, S. Iermakov, O. Rovnaya, T. Yermakova, M. Cieślicka, and R. Muszkieta, “Evaluation of orientation and efficiency of schoolchildren nutrition in recreational period”, Progr Nutr, vol. 22, no. 1, pp. 36–47, Mar. 2020, doi: 10.23751/pn.v22i1.7441.