Al-Jammal, Yahya, Sadallah Tawfeeq, and Asem Essa. “Study the Effect of Different Types of Silicon Substrates on the Properties of MOS Type Solar Cells”. Journal of Education and Science (JES) 27, no. 4 (December 28, 2018): 21–37. Accessed August 6, 2025. https://ojs.uomosul.edu.iq/index.php/edusj/article/view/23808.