D. S. Ali and W. M. Ibrahim, “Batch and Reverse Flow Injection Spectrophotometric Determination of Nicotine”, SJUOZ, vol. 4, no. 2, pp. 217–225, Dec. 2016, Accessed: Jan. 22, 2026. [Online]. Available: https://stest.uoz.edu.krd/index.php/sjuoz/article/view/354