Dufynets, Vasyl; Дуфинець, Василь Андрійович; Shcherban, Tetiana; Щербан, Тетяна Дмитрівна; Bretsko, Iryna; Брецко, Ірина Іванівна
(Мукачево: МДУ, 2023)
Children are increasingly at risk of various diseases, which has
a rather negative impact on their intellectual development and can slow
down social development in general, and therefore there is a need to address ...