Dzemydienė, Dalė, and Lina Tankelevičienė. “Multi‐layered knowledge‐based Architecture of the Adaptable Distance Learning System”. Technological and Economic Development of Economy 15, no. 2 (June 30, 2009): 229-244. Accessed November 9, 2024. https://jcem.vgtu.lt/index.php/TEDE/article/view/6437.