محمد رامز, and حلبي كاميليا. “Detection of Heavy Mineral Elements in Some Types of Coffee That Taken from Different Sources”. Tishreen University Journal -Biological Sciences Series 42, no. 4 (October 15, 2020). Accessed May 5, 2024. https://journal.tishreen.edu.sy/index.php/bioscnc/article/view/9916.