00552naa#a2200181#i#450# EN\\bibl\66178 20241125055514.1 2074-1618 20150625b2015####ek#y0engy0150####ca RUS RU EDUCATIONAL-METHODICAL FEATURES OF LABORATORY WORK Journal article Saint-Petersburg Saint-Petersburg University of State Fire Service of Emercom of Russia 2015 3 с. Journal article local Emelyanova A N Ivakhnyuk G K journals.igps.ru