00570naa#a2200169#i#450# EN\\bibl\10629 20240515012849.3 1999-5644 20160302b2016####ek#y0engy0150####ca RUS RU Regulatory problems of training, retraining and advanced training of personnel for the sphere of recreation and sport tourism Journal article CHERKIZOVO Russian State University of Tourism and Service 2016 10 с. Journal article local Pavlov Evgeniy rguts.editorum.ru