Rabah, Mahmoud, Mahmoud Mosa, and Gehan M. Aly. “Recovery of Metal Values from Useless Printed Circuit Boards”. Eurasian Chemico-Technological Journal 9, no. 2 (March 20, 2007): 129–137. Accessed November 22, 2024. https://ect-journal.kz/index.php/ectj/article/view/658.