Dr. R. Suneetha Rani, Srikavya Kancharla. “Detection of a Drive Drowsiness Based on Eyes Closure and Yawning Using Aspect Ratio”. International Journal of Advanced Science and Technology, Vol. 29, no. 04, June 2020, pp. 7531 -, http://sersc.org/journals/index.php/IJAST/article/view/28166.