Lukić, Radojko. “Analysis of Development and Effects of Electronic Trade in Serbia Based on SF-TOPSIS and TOPSIS Methods”. Anali Ekonomskog fakulteta u Subotici 59, no. 50 (November 28, 2023): 131-146. Accessed October 5, 2024. http://j13.ef.uns.ac.rs/index.php/AnnalsEFSU/article/view/183.