Hakobyan A. ESTIMATION OF QUALITATIVE AND QUANTITATIVE ALTERNATIONS IN CONFINED GROUNDWATERS OF ARARAT VALLEY. Proc. YSU C: Geol. Geogr. Sci. [Internet]. 2018 Dec. 17 [cited 2024 Sep. 19];52(3 (247):174-8. Available from: https://pub.ysu.am/index.php/proceedings-geol-geogr/article/view/vol52_no3_2018_pp174-178