Makhrovska, Natalya A., and Hanna S. Pohromska. “PRACTICAL APPLICATION OF ON-LINE COMPETITIONS IN PROGRAMMING IN THE SYSTEM OF TRAININGS FOR IT STUDENTS ”. Information Technologies and Learning Tools, vol. 79, no. 5, Oct. 2020, pp. 260-75, https://doi.org/10.33407/itlt.v79i5.3084.