00628naa#a2200205#i#450# EN\\bibl\68753 20240930040921.1 2307-7476 20170925b2017####ek#y0engy0150####ca RUS RU VIDEO LECTURES IN DISTANCE LEARNING UNIVERSITIES OF EMERCOM OF RUSSIA Journal article Saint-Petersburg Saint-Petersburg University of State Fire Service of Emercom of Russia 2017 7 с. Journal article local Pozharkova I N Lagunov A N Troyak E Y Gaponenko M V journals.igps.ru