00566naa#a2200169#i#4500001001500000005001700015011001400032100004100046102000700087200012400094210005400218215001100272608002700283675002900310700003600339856002100375EN\\bibl\4426720240426155637.5##a2658-4026##a20210701b2021####ek#y0engy0150####ca##aRU1#aEducation marketing and the problem of educational services:  a review of domestic and foreign studieseJournal article1#aBryanskcBryansk State Technical Universityd2021##a17 с.##aJournal article2local##aМатематика. 51#1aARPENTYEVAgMARIYAM RAVILYEVNA 4#abstu.editorum.ru