Janilionis, Vytautas, and Mindaugas Baltutis. “WEB Based System for Analysing Mathematics Learning Results of Students”. Lietuvos matematikos rinkinys 43, no. spec. (December 22, 2003): 233–237. Accessed November 26, 2025. https://www.zurnalai.vu.lt/LMR/article/view/32409.