Banaz Omer Ahmad1, & Kamal M. Mahmoud2. (2023). Determination of Caffeine and Few Metals in Halabja Tea and Comparing with Various Tea Samples in Erbil Markets. Journal of Kufa for Chemical Sciences, 2(9), 128-142. https://doi.org/10.36329/jkcm/2022/v2.i9.13291