Mykhailenko, Olena, Todd Blayone, Irena Žogla, and Velta Lubkina. “USING ACTIVITY THEORY FOR MODELLING TRANSFORMATIVE DIGITAL LEARNING”. ENVIRONMENT. TECHNOLOGIES. RESOURCES. Proceedings of the International Scientific and Practical Conference 2 (June 20, 2019): 222–227. Accessed May 3, 2024. https://journals.rta.lv/index.php/ETR/article/view/4044.