ShishkoL., and ChernenkoI. “EXPERIENCE OF INTRODUCTION IN EDUCATIONAL PROCESS OF COMPUTER SYSTEMS FOR FORMATION OF ACTIVE MATHEMATICAL ACTIVITY”. Journal of Information Technologies in Education (ITE), no. 11 (May 30, 2012): 068-072. Accessed May 7, 2024. http://ite.kspu.edu/index.php/ite/article/view/404.