Bakyt Baishov, Gulfairus Zhapekova, Alibek Aman, Aidyn Abdenov, Zhazira Orazaeva, “International Summits For Determining The Legal Status Of The Caspian Sea: Historical Analysis”, J Arch.Egyptol, vol. 17, no. 6, pp. 8729 - 8742, Dec. 2020.