Medvedeva, Irina, Oxana Martynyuk, Svetlana Pan’kova, and Irina Solovyova. 2017. “ON THE FORMATION OF STUDENT’S E-PORTFOLIO”. ENVIRONMENT. TECHNOLOGIES. RESOURCES. Proceedings of the International Scientific and Practical Conference 2 (June): 97-100. https://doi.org/10.17770/etr2017vol2.2523.