00530naa#a2200181#i#450# EN\\bibl\113024 20260321104215.6 2311-1402 20130325b2013####ek#y0engy0150####ca RUS RU Web lectures and webinars in distance learning Journal article Nizhnevartovsk Nizhnevartovsk State University 2013 1 с. Journal article local . 004.384:378 RUS Razumova Natalia Alexandrovna filvestnik.nvsu.ru