00477naa#a2200157#i#450# EN\\bibl\91487 20241218193731.3 2500-3372 20241205b2024####ek#y0engy0150####ca RU Mental Concept of Professional Identification in Youth: Part IV Journal article Kemerovo Kemerovo State University 2024 9 с. Journal article local P'yankova Lyudmila Alekseevna moloprom.kemsu.ru