Hussain, Eman ali, Jamil A. Al-Hawasy, and Lamyaa H. Ali. 2018. “Finite Element Method With Linear Rectangular Element for Solving Nanoscale InAs⁄GaAs Quantum Ring Structures”. Ibn AL- Haitham Journal For Pure and Applied Sciences 2017 (IHSCICONF):344-52. https://doi.org/10.30526/2017.IHSCICONF.1807.