1.
Ivanov S, Doychinova K. TYPES OF INFORMATION SYSTEMS: TYPES OF INFORMATION SYSTEMS. JSAR [Internet]. 2024 Nov. 12 [cited 2024 Nov. 22];26(1):5-11. Available from: https://jsar.ftn.shu.bg/ojs-3.3.0-7/index.php/jsar/article/view/387