Mukashev, B., A. Betekbaev, D. Skakov, I. Pellegrin, A. Pavlov, and Zh. Bektemirov. “Upgrading Metallurgical Grade Silicon to Solar Grade Silicon”. Eurasian Chemico-Technological Journal 16, no. 4 (November 10, 2014): 309–313. Accessed July 25, 2024. https://ect-journal.kz/index.php/ectj/article/view/248.