Filimonov, Dmytro. " Fortification of the period of the Russo-Turkish war of 1735–1739 near the Vorona river in the Dnipro Nadporizhzhya" Universum Historiae et Archeologiae = The Universe of History and Archeology = Універсум історії та археології = Универсум истории и археологии ISSN 2664-9950 (Print) ISSN 2707-6385 (Online) [Online], Volume 4 Number 2 (18 July 2022)