00741naa#a2200193#i#450# EN\\bibl\117017 20260320084405.5 2782-4586 20260204b2026####ek#y0engy0150####ca RU Informal economy of "green gold": analysis of structural features and prospects of development of the shadow emerald market of foreign countries Journal article Moscow ITBO University 2026 13 с. Journal article local Экономические науки в целом. Политическая экономия. 330 Ulendeeva Nataliya Ivanovna Nalimova Marina Nikolaevna Korolev Andrey Andreevich jomeam.ru