Logachev , Maxim, Vera Chernova, Yuliya Laamarti, Tair Makhamatov, Vitaliy Ivlev, Lucio Giulodori, and Irina Tutkova. “Information System for Learning Control in Teaching Russian Sign Language: Process and Data Modeling”. International Journal of Instruction 15, no. 3 (July 1, 2022): 153–170. Accessed July 18, 2024. https://e-iji.net/ats/index.php/pub/article/view/315.