00538naa#a2200181#i#450# EN\\bibl\3397 20240516094743.4 1993-7768 20140901b2014####ek#y0engy0150####ca RUS RU Virtual computer-based laboratories in higher education Journal article CHERKIZOVO Russian State University of Tourism and Service 2014 5 с. Journal article local Stepanov Konstantin Shepelin Viktor rguts.editorum.ru