Kondur, Oksana, Halyna Mykhailyshyn, Nataliia Ridei, and Oksana Katsero. “Formation of Competences of Future Educators for Requirements Education for Sustainable Development”. Journal of Vasyl Stefanyk Precarpathian National University 7, no. 1 (April 21, 2020): 7-14. Accessed January 28, 2021. https://journals.pnu.edu.ua/index.php/jpnu/article/view/3612.