00711naa#a2200181#i#450# EN\\bibl\44116 20240507041905.2 2686-9896 20220110b2022####ek#y0engy0150####ca RU DEVELOPMENT OF TOURISM BUSINESS USING MOBILE APPLICATIONS Journal article Angarsk Federal State Funded Educational Establishment of Higher Education «Angarsk State Technical University» 2022 1 с. Journal article local Общие вопросы экономических наук. 06.01 grnti Экономические теории. 06.03 grnti Zarubina Yuliya Vladimirovna angtu.editorum.ru