“ANTHROPOGENIC TRANSFORMATIONS OF THE MARMARIK RIVER VALLEY RELIEF AND EVOLUTION OF SECONDARY TECHNOGENIC GEOMORPHOLOGICAL PROCESSES”, Proc. YSU C: Geol. Geogr. Sci., vol. 50, no. 3 (241), pp. 27–32, Dec. 2016, doi: 10.46991/PYSU:C/2016.50.3.027.