00406nas a2200145   4500000000100000000000100001008004100002260001800043100003400061700001800095700001900113245010700132300001400239490000700253       2020                            d  cFebruary 20201 aKaterina Molodetska-Hrynhchuk1 aYuriy Timonin1 aIhor Melnychuk00aThe conceptual model of information confrontation of virtual communities in social networking services  a1043~10520 v10