Ermolayev, V.A., A.V Spivakovsky, G.N. Zholtkevych, A.V. Bulat, and N.G. Keberle. “UNIT-NET IEDI: AN INFRASTRUCTURE FOR ELECTRONIC DATA INTERCHANGE”. Journal of Information Technologies in Education (ITE), no. 1 (May 8, 2007): 026–042. Accessed November 8, 2024. https://ite.kspu.edu/index.php/ite/article/view/693.