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Muftah A, Dhaw A. Evaluation Of Different Solvents For Determination Of Caffeine In Tea Leaves Using UV- Visible Spectrophotometric Method. JHAS [Internet]. 2023 Nov. 25 [cited 2024 Jul. 3];6(12):277-81. Available from: https://khsj.elmergib.edu.ly/index.php/jhas/article/view/265