Yenidogan, S., Oktav, M., & Ulgen, M. (2010). Development of Thin Layer and High Performance Liquid Chromatographic Methods for The Analysis of Colourings Substances Used in the Printing Inks. Asian Journal of Chemistry, 21(8), 6156–6166. Retrieved from https://asianpubs.org/index.php/ajchem/article/view/12300