Publication:The excellent papers accepted by ICEFR 2021 will be published in International Journal of Trade, Economics and Finance(IJTEF), and will be included in Engineering & Technology Digital Library, ProQuest, Crossref, Electronic Journals Library, EBSCO, and Ulrich's Periodicals Directory. == Submission methods:This email address is being protected from spambots. You need JavaScript enabled to view it.://confsys.iconf.org/submission/icefr2021