Kitsnik, Mare, and Helena Metslang. “The Effectiveness of Content and Language Integrated Learning at Russian Speaking Schools: School leaders’ Views and Strategies”. Eesti Haridusteaduste Ajakiri. Estonian Journal of Education 3, no. 1 (April 30, 2015): 202–225. Accessed April 23, 2024. https://ojs.utlib.ee/index.php/EHA/article/view/eha.2015.3.1.09.