Vronskis, Olafs, and Natālija Vronska. “Using Of Information Technologies To Improve The Spatial Understanding Of Students”. ENVIRONMENT. TECHNOLOGIES. RESOURCES. Proceedings of the International Scientific and Practical Conference 2 (August 5, 2015): 55–61. Accessed April 27, 2024. https://journals.rta.lv/index.php/ETR/article/view/1009.