Yalcin, Guler, and Suleyman Seyhan. “High Performance Liquid Chromatography-Diode Array Detector Method for the Determination of Tartrazine and Indigotine”. Asian Journal of Chemistry 25, no. 16 (October 8, 2013): 8867–8874. Accessed July 23, 2024. https://asianpubs.org/index.php/ajchem/article/view/25_17_8.