Begum, Shakila, Pir Aurang Zeb, and Qazi Sharif. “Recovery of Silver from X-Ray Washings”. Biological Sciences - PJSIR 51, no. 6 (December 25, 2008): 301–303. Accessed November 22, 2024. https://v2.pjsir.org/index.php/biological-sciences/article/view/701.