Skrypka, K.I., and A.S. Sukhikh. 2011. “TRUCTURIZATION F PHERES F HE SE F DUCATIONAL OFTWARE OR RANCH YSTEM F OLUNTARILY ERTIFICATION”. ournal of nformation echnologies in ducation (ITE), no. 9 (May):158-62. https://doi.org/10.14308/ite000255.