Gashawa, A. and Getachew, T. (2014) “The Chemistry of Khat and Adverse Effect of Khat Chewing”, American Scientific Research Journal for Engineering, Technology, and Sciences, 9(1), pp. 35–46. Available at: https://asrjetsjournal.org/index.php/American_Scientific_Journal/article/view/633 (Accessed: 5 May 2024).