Suleimenova, N. ., G. . Kenzhetayev, and S. . Syrlybekkyzy. “17-YEAR PERIODS OF RISING AND FALLING WATER LEVELS IN THE KAZAKHSTAN SECTION OF THE CASPIAN SEA: 17-YEAR PERIODS OF RISING AND FALLING WATER LEVELS IN THE KAZAKHSTAN SECTION OF THE CASPIAN SEA”. JOURNAL SCIENTIFIC AND APPLIED RESEARCH, vol. 6, no. 1, Mar. 2023, pp. 60-76, doi:10.46687/jsar.v6i1.142.