00597naa#a2200193#i#450# EN\\bibl\66355 20250503113945.6 2074-1618 20180625b2018####ek#y0engy0150####ca RUS RU EXPERIENCE DEVELOPING MULTIMEDIA VIDEO LECTURES FOR DISTANCE LEARNING Journal article Saint-Petersburg Saint-Petersburg University of State Fire Service of Emercom of Russia 2018 3 с. Journal article local Subacheva A A Murzin S M Ryazanov A A journals.igps.ru