Karomi, Ifan, Layth Jasim, and Abdul Ghafoor Abdullah. “Low Pressure Sensor Using Semiconductor Laser”. Journal of Education and Science (JES) 18, no. 3 (April 1, 2006): 168–183. Accessed August 6, 2025. https://ojs.uomosul.edu.iq/index.php/edusj/article/view/23131.