00577naa#a2200169#i#450# EN\\bibl\49342 20240225120840.7 2073-5537 20220323b2022####ek#y0engy0150####ca RU Identification of effective channels and methods for promoting university educational services Journal article Astrakhan Astrakhan State Technical University 2022 8 с. Journal article local Поведение потребителей. 366.1 Kmet Elena Borisovna vestnik.astu.org