Awadh, Ali N. A., D. Lemme, Th. Jira, O. Attef, and K. Al-rahwi. “DETERMINATION OF PESTICIDE RESIDUES IN KHAT LEAVES BY SOLID-PHASE EXTRACTION AND HIGH-PERFORMANCE LIQUID CHROMATOGRAPHY”. African Journal of Traditional, Complementary and Alternative Medicines 3, no. 1 (January 12, 2006): 1–10. Accessed November 17, 2024. https://journals.athmsi.org/index.php/ajtcam/article/view/19.