Mohammad, Mohammad R, Haider G Abdulzahraa, and Naseer M Hadi. “Standoff Raman Spectroscopy of C4 Explosive and Study the Effect of Integration Time and Laser Power”. Al-Nahrain Journal of Science 20, no. 2 (June 1, 2017): 82-89. Accessed August 27, 2021. https://anjs.edu.iq/index.php/anjs/article/view/83.