“THE FORECAST OF CHANGE OF GROUNDWATER LEVEL IN THE ABSENCE OF DRAINAGE SYSTEM: (on the example of the Ararat Valley)”, Proc. YSU C: Geol. Geogr. Sci., vol. 53, no. 1 (248), pp. 40–43, Apr. 2019, doi: 10.46991/PYSU:C/2019.53.1.040.