00625naa#a2200217#i#450# EN\\bibl\43373 20250704175133.5 2413-6522 20190325b2019####ek#y0engy0150####ca RUS RU Mental maturation of teenagers in the light of the challenges of teenage suicides Journal article Moscow Ltd Radomir-M+ 2019 10 с. Journal article local Психология. 15 RUS Kononchuk V V Zhuravlev A K Davydov A T Tyukavin A I radomir.editorum.ru