Vaníček, Jiří. “Little Beaver Teaches Computer Science (7th Part of the Series – Tasks on Digital Literacy)”. MATHEMATICS–PHYSICS–INFORMATICS 26, no. 4 (September 4, 2017): 305–313. Accessed August 29, 2026. https://www.mfi.upol.cz/index.php/mfi/article/view/357.