Феденко, Владислав, Валентина Полєнова, and Сергий Тітенко. “EDUCATIONAL MOBILE APPLICATION BASED ON CONCEPT MAPS”. Modern engineering and innovative technologies 1, no. 23-01 (October 30, 2022): 12–18. Accessed November 25, 2024. https://moderntechno.de/index.php/meit/article/view/meit23-01-014.