00724naa#a2200169#i#4500001001500000005001700015011001400032100004100046102000700087200009900094210012500193215001000318608002700328686014300355700003400498856002200532EN\\bibl\3846020240427152806.6##a2686-7788##a20200623b2020####ek#y0engy0150####ca##aRU1#aAPPROACHES TO OPTIMIZING BUSINESS MODELS IN THE CONTEXT OF THE CURRENT CRISISeJournal article1#aAngarskcFederal State Funded Educational Establishment of Higher Education «Angarsk State Technical University»d2020##a3 с.##aJournal article2local##aМатематическое моделирование в общественных и гуманитарных науках. 00.772grnti#1aZarubinagYuliya Vladimirovna4#aangtu.editorum.ru