Gavaza T, Lebedeva S, Perkova N, Fakhretdinova V. MATHEMATICAL TASKS AS A MEANS OF FORMING PROFESSIONAL COMPETENCIES OF FUTURE TEACHERS. SIE [Internet]. 2019 May 21 [cited 2024 Jun. 30];1:172-8. Available from: https://journals.ru.lv/index.php/SIE/article/view/3872