Topuzov, Oleh M., Liubov P. Vishnikina, Viktor M. Samoilenko, and Tetiana S. Yaprynets. “MODERNIZATION OF GEOGRAPHIC EDUCATION AT HIGH SCHOOL: GEOINFORMATION TRAINING MODELS”. Information Technologies and Learning Tools 73, no. 5 (October 22, 2019): 174-184. Accessed February 26, 2021. https://journal.iitta.gov.ua/index.php/itlt/article/view/3190.