Abdulkadir, Maadh Qusay, May Mohammed Jawad Al-Mudhafar, Amera Abbas Mohammed, and Suha K Alzahawie. 2009. “COLORIMETRIC ASSAY OF ASPIRIN USING MODIFIED METHOD”. Al-Nahrain Journal of Science 12 (3): 1-7. https://mail.anjs.edu.iq/index.php/anjs/article/view/1197.