“CFIA-Turbidimetric and Photometric Determination of Vitamin B9 (Folic Acid) Using LEDs As a Source of Irradiation and Two Solar Cells As an Energy Transducer”. Baghdad Science Journal 14, no. 4 (December 3, 2017): 0773. Accessed November 22, 2024. https://bsj.uobaghdad.edu.iq/index.php/BSJ/article/view/2421.