Getzov, Petar, Stiliyan Stoyanov, and Zhivko Zhekov. “OPTICAL SCHEME FOR SPECTROPHOTOMETER: OPTICAL SCHEME FOR SPECTROPHOTOMETER”. JOURNAL SCIENTIFIC AND APPLIED RESEARCH 5, no. 1 (March 8, 2023): 64–69. Accessed November 7, 2024. https://jsar.ftn.shu.bg/ojs-3.3.0-7/index.php/jsar/article/view/110.