M. . Pestano Pérez, I. Pesek, B. Zmazek, in A. Lipovec, „Video Explanations as a Useful Digital Source of Education in the COVID 19 Situation“, REI, let. 13, št. 4, str. 395–412, dec. 2020, doi: 10.18690/rei.13.4.395-412.2020.