00656naa#a2200169#i#450# EN\INFRA-M\bibl\98184 20260209094319.1 2500-3305 20250228b2025####ek#y0engy0150####ca RU Formation of the value system of modern schoolchildren on the example of ethical principles in advertising Journal article Moscow INFRA-M Academic Publishing LLC. 2025 6 с. Journal article local Народное образование. Воспитание. Обучение. Организация досуга. 37 Belova Mariya Mihaylovna zh-szf.ru