AFSHAR, Z., & PARHAM, H. (2010). Determination of Trace Amounts of Cationic Surfactant Cetyl Trimethyl Ammonium Bromide by Liquid-Liquid Extraction-Spectrophotometry Method. Asian Journal of Chemistry, 22(4), 3009–3013. Retrieved from https://asianpubs.org/index.php/ajchem/article/view/11549