00497naa#a2200157#i#450# EN\\bibl\23342 20240725030235.4 2542-1840 20171225b2017####ek#y0engy0150####ca RU SYSTEM AND ACTIVITY APPROACH IN TEACHING BIOLOGY: DESIGN AND RESEARCH STUDENT ACTIVITIES Journal article Kemerovo Kemerovo State University 2017 5 с. Journal article local Ivanchikhin Vitaly G. vestnik-hss.kemsu.ru