Urbonas, Algimantas Pranas. “Le Système D’évaluation, les Examens et les Connaissances en Mathématiques”. Lietuvos matematikos rinkinys 41, no. spec. (December 17, 2001): 398–400. Accessed October 22, 2026. https://www.journals.vu.lt/LMR/article/view/34618.