Kher-Elden, M.A. (2017) “Tuning the Indirect Band Gap of Square Metallic Superlattices”, International Journal of Sciences: Basic and Applied Research (IJSBAR), 35(2), pp. 113–122. Available at: https://www.gssrr.org/JournalOfBasicAndApplied/article/view/7868 (Accessed: 11 December 2025).