Avetisyan O. 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. [Internet]. 2019 Apr. 15 [cited 2024 Nov. 21];53(1 (248):40-3. Available from: https://journals.ysu.am/index.php/proceedings-geol-geogr/article/view/vol53_no1_2019_pp040-043