00945nas 2200349 c 450 991089301730332120170522191509.02298-0172(CKB)5280000000194735(DE-101)1130685179(DE-599)ZDB2892491-5(EXLCZ)99528000000019473520170425a20149999 |y |engur|||||||||||txtrdacontentcrdamediacrrdacarrierJournal of educationInternational Black Sea UniversityTbilisiIBSU[2014?]-Online-RessourceIBSU journal of educationZeitschriftgnd-content370International Black Sea Universityisb0355DE-1019001JOURNAL9910893017303321Journal of education793812UNINA