Kravtsova, L.V., N.H. Kaminska, and A.V. Pulyaeva. 2012. “ECHNOLOGY F YNAMIC ATABASES REATION ITH HE NCLOSED TRUCTURES N S XCEL ”. ournal of nformation echnologies in ducation (ITE), no. 13 (June):122-27. https://doi.org/10.14308/ite000354.