Martinov, Vasili L. “‘GEOGRAPHY OF FLAGS’ OF THE MODERN WORLD STATES”. Proceedings of the YSU C: Geological and Geographical Sciences 58, no. 2 (263) (July 17, 2024): 134–141. Accessed July 22, 2024. https://journals.ysu.am/index.php/proceedings-geol-geogr/article/view/vol58_no2_2024_pp134-141.