Kovalchuk, L. Y., K. S. Melnyk, V. L. Mykhaylenko, and N. S. Badiuk. “Actual Characteristics of Nutrition of the Population in Odessa Region”. Journal of Education, Health and Sport, vol. 6, no. 11, Feb. 2017, pp. 731-40, https://apcz.umk.pl/JEHS/article/view/4132.