Dvoryankin, O. 2021. A PORTFOLIO ON THE INTERNET - IS IT A GOOD THING FOR A PERSON OR AN EVIL THAT WE DO NOT KNOW ANYTHING ABOUT. ?! . EurasianUnionScientists. 3, 1(82) (Feb. 2021), 20-29. DOI:https://doi.org/10.31618/ESU.2413-9335.2021.3.82.1218.