Sorokin, Andrii, AND 		Strilets, Vasyl.
" Establishing twinning relations of Kyiv with Chicago and Toronto" <em>Universum Historiae et Archeologiae = The Universe of History and Archeology = Універсум історії та археології ISSN 2664-9950 (Print) ISSN 2707-6385 (Online)</em> [Online], Volume 4 Number 2 (20 July 2022)