Ouserigha, Collins E., and Ayibapreye K. Benjamin. “The Effect of B, Al, N, and P Impurities on the Electronic Structure of Si0.3Sn0.7Ge Alloy: A First-Principles Approach”. European Scientific Journal, ESJ 18, no. 3 (January 31, 2022): 186. Accessed March 29, 2024. https://eujournal.org/index.php/esj/article/view/15099.