Title: Sot︠s︡ialʹno-psikhologicheskie aspekty optimizat︠s︡ii zhiznedei︠a︡telʹnosti molodezhnykh grupp v izmeni︠a︡shchikhsi︠a︡ sot︠s︡ialʹno-ėkonomicheskikh uslovii︠a︡kh
Subjects: Youth, Social conditions, Psychology, Educational psychology, Social psychology
Places: Russia (Federation)
People: L. I. Umanskiĭ