Kitsnik, Mare, and Jekaterina Petuhhova. “Mutual Attitudes of Estonian and Estonian Russian Basic School Students before and After Participating in the Gamified Cooperation Activities”. Eesti Haridusteaduste Ajakiri. Estonian Journal of Education 9, no. 1 (May 1, 2021): 274–303. Accessed December 30, 2024. https://ojs.utlib.ee/index.php/EHA/article/view/eha.2021.9.1.11.