Al-Ahmary, Khairia Mohammed. “A Simple Spectrophotometric Method for Determination of Thiamine (vitamin B1) in Pharmaceuticals”. European Journal of Chemistry 5, no. 1 (March 31, 2014): 81–84. Accessed May 9, 2025. https://www.eurjchem.com/index.php/eurjchem/article/view/881.