Raković, Lazar, Marton Sakal, and Predrag Matković. “Cluster Analysis of the Frequency of Use of Spreadsheet Functionalities”. Anali Ekonomskog fakulteta u Subotici 55, no. 41 (March 20, 2020): 95-111. Accessed November 21, 2024. https://anali.ef.uns.ac.rs/index.php/AnnalsEFSU/article/view/18.