Korsun, Ihor V. “HOW E-LEARNING DEMONSTRATES THE FORMATION OF STUDENTS’ COGNITIVE ACTIVITY IN THE TEACHING OF QUANTUM PHYSICS”. Information Technologies and Learning Tools 61, no. 5 (October 31, 2017): 127–139. Accessed January 23, 2022. https://journal.iitta.gov.ua/index.php/itlt/article/view/1701.