Shakir, A. H., Dikran, S., & Ali, K. F. (2017). Direct and Indirect Spectrophotometric Determination of Paracetamol in Pharmaceutical Preparations By Oxidative Coupling With p-Amino-2-hydroxy Sodium Benzoate. Ibn AL-Haitham Journal For Pure and Applied Sciences, 23(1), 277-291. https://jih.uobaghdad.edu.iq/index.php/j/article/view/965