Ivanov, Sabin. “ATTRIBUTE DATA MODELS: ATTRIBUTE DATA MODELS”. JOURNAL SCIENTIFIC AND APPLIED RESEARCH 29, no. 1 (November 14, 2025): 7–13. Accessed December 6, 2025. https://jsar.ftn.shu.bg/ojs-3.3.0-7/index.php/jsar/article/view/447.