Lipeikienė, Joana, Kristina Kalpaitė, and Aušra Kluonytė. “Research of the Object-Oriented Programming Learning Environment”. Lietuvos matematikos rinkinys 42, no. spec. (December 20, 2002): 260–266. Accessed May 20, 2024. https://www.journals.vu.lt/LMR/article/view/32899.