Stoyanov, Stiliyan, Petar Boyanov, and Zhikvo Zhekov. “IMPLEMENTATION OF FACTOR ANALYSIS IN THE OPTICAL MANIFACTURING: IMPLEMENTATION OF FACTOR ANALYSIS IN THE OPTICAL MANIFACTURING”. JOURNAL SCIENTIFIC AND APPLIED RESEARCH 8, no. 1 (March 12, 2023): 16–20. Accessed November 21, 2024. https://jsar.ftn.shu.bg/index.php/jsar/article/view/173.