Gavaza, T., Lebedeva, S., Perkova, N., & Fakhretdinova, V. (2019). MATHEMATICAL TASKS AS A MEANS OF FORMING PROFESSIONAL COMPETENCIES OF FUTURE TEACHERS.
SOCIETY. INTEGRATION. EDUCATION. Proceedings of the International Scientific Conference,
1, 172-182.
https://doi.org/10.17770/sie2019vol1.3872