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, Iraq, Baghdad, v. 14, n. 4, p. 0773, 2017. DOI: 10.21123/bsj.2017.14.4.0773. Disponível em: https://bsj.uobaghdad.edu.iq/index.php/BSJ/article/view/2421.. Acesso em: 1 may. 2024.