00577naa#a2200169#i#450# EN\\bibl\26782 20241204103136.3 2312-4431 20190521b2019####ek#y0engy0150####ca RUS RU SPECIFIC ROLE OF PROFESSIONAL CONTESTS IN THE VOCATIONAL EDUCATION SYSTEM Journal article Cheboksary Non-state educational private institution of additional professional education "Expert-methodological centre" 2019 4 с. Journal article local Solovyeva Svetlana I. zh-szf.ru