Vasilyeva, I.E. “Trends of Doctoral Dissertations That Have Been Defended at Specialized Academic Council of the Main Astronomical Observatory of the NAS of Ukraine in 1991-2016”. Science and Innovation 13, no. 6 (August 28, 2024): 56–61. Accessed December 23, 2024. https://nasu-periodicals.org.ua/index.php/science/article/view/6796.