00497naa#a2200157#i#4500001001500000005001700015011001400032100004100046102000700087200011000094210004600204215001000250608002700260700002700287856002500314EN\\bibl\2334220240721224455.7##a2542-1840##a20171225b2017####ek#y0engy0150####ca##aRU1#aSYSTEM AND ACTIVITY APPROACH IN TEACHING BIOLOGY: DESIGN AND RESEARCH STUDENT ACTIVITIESeJournal article1#aKemerovocKemerovo State Universityd2017##a5 с.##aJournal article2local#1aIvanchikhingVitaly G.4#avestnik-hss.kemsu.ru