YatsiutaV., LvovM., and PeschanenkoV. “PM DIRECTORY INTEGRATED ENVIRONMENT ANALYTICAL GEOMETRY COURSE FOR HIGHER EDUCATION”. Journal of Information Technologies in Education (ITE), no. 3 (December 9, 2009): 175-181. Accessed July 3, 2024. http://ite.kspu.edu/index.php/ite/article/view/646.