ДО ПРОБЛЕМИ ВИВЧЕННЯ ТРИГОНОМЕТРІЇ В ЗАКЛАДАХ ЕКОНОМІЧНОГО ПРОФІЛЮ. Modern Information Technologies and Innovation Methodologies of Education in Professional Training Methodology Theory Experience Problems, [S. l.], n. 19, p. 229–236, 2021. Disponível em: https://vspu.net/sit/index.php/sit/article/view/2178.. Acesso em: 17 may. 2024.