Jubayr, M. R., E. M-T. Salman, and A. S. Kiteb. 2017. “A Theoretical Investigation of Enhanced Thermoelectric Figure of Merit of Low-Dimensional Structures”. Ibn AL-Haitham Journal For Pure and Applied Sciences 23 (3): 95-105. https://jih.uobaghdad.edu.iq/index.php/j/article/view/883.