Siyka Demirova, and Emil Entchev. “The Selection of Indicators and Criteria for the Intellectual Level of the Electronic Logistics-Information Systems”. International Journal of Advances in Scientific Research and Engineering (IJASRE), ISSN:2454-8006, DOI: 10.31695/IJASRE 5, no. 3 (March 20, 2019): 32–37. Accessed May 2, 2024. https://ijasre.net/index.php/ijasre/article/view/119.