Kerim Avaz Kuliev, Plotnikova Svetlana E, and Gorbunova Elena M. “Extractive Spectrophotometric Determination of Iron(III) Using 2, 6-Dithiol-4-Methylphenol and Aminophenols”. JOURNAL OF ADVANCED APPLIED SCIENTIFIC RESEARCH 1, no. 10 (May 22, 2017). Accessed April 28, 2024. http://mail.joaasr.com/index.php/joaasr/article/view/81.