00590naa#a2200181#i#450# EN\\bibl\112897 20260319072142.4 2311-1402 20150625b2015####ek#y0engy0150####ca RUS RU Psychological features of teenagers’ system of basic values and attitude to life Journal article Nizhnevartovsk Nizhnevartovsk State University 2015 4 с. Journal article local Прочие вопросы психологии. 159.99 RUS Kovalenko S V nvsu.editorum.ru