00587naa#a2200193#i#450# EN\\bibl\113070 20260118073745.7 2311-1402 20120625b2012####ek#y0engy0150####ca RUS RU Training of social workers: problems and perspectives Journal article Nizhnevartovsk Nizhnevartovsk State University 2012 12 с. Journal article local Davidenko Svetlana Alekseevna Medko Irina Viktorovna Petrova Galina Alexandrovna vestnik.nvsu.ru