Zabolotniaia, Mariia, Zhichao Cheng, Evgenij Dorozhkin, and Anton Lyzhin. 2020. “Retracted Article: Use of the LMS Moodle for an Effective Implementation of an Innovative Policy in Higher Educational Institutions”. International Journal of Emerging Technologies in Learning (iJET) 15 (13):pp. 172-189. https://doi.org/10.3991/ijet.v15i13.14945.