LDR 00724naa#a2200169#i#450# 001 EN\\bibl\38460 005 20240427151603.6 011 ## _a2686-7788 100 ## _a20200623b2020####ek#y0engy0150####ca 102 ## _aRU 200 1# _aAPPROACHES TO OPTIMIZING BUSINESS MODELS IN THE CONTEXT OF THE CURRENT CRISIS _eJournal article 210 1# _aAngarsk _cFederal State Funded Educational Establishment of Higher Education «Angarsk State Technical University» _d2020 215 ## _a3 с. 608 ## _aJournal article _2local 686 ## _aМатематическое моделирование в общественных и гуманитарных науках. 00.77 _2grnti 700 #1 _aZarubina _gYuliya Vladimirovna 856 4# _aangtu.editorum.ru _u