00736naa#a2200193#i#450# EN\RIOR\bibl\34548 20240506064322.1 2409-6024 20200128b2020####ek#y0engy0150####ca RUS RU Specifics, problems and opportunities of development of business activity in the market of educational literature for higher education institutions Journal article Moscow Publishing Center RIOR 2020 4 с. Journal article local Экономика. Экономические науки. 33 RUS Экономика. Экономические науки. 65 bbk DASHKOV Leonid Pavlovich riorpub.com