00563nam#a2200169#i#450# EN\\book\3622 20260411075413.6 20260407d2026####ek#y0engy0150####ca RUS RU Rumors and fake news: effects of message credibility on human behavior during the COVID-19 pandemic Monography Moscow MGIMO University Publishing House 2026 280 с. Monography local Социальная психология. 316.6 RUS Kempkens Oliver Harald dom.mgimo.ru