Rajkumar, M.Valan, R.Sasi kala, S. Suresh, and J.Chandra mohan. 2018. “Driver Drowsiness Detection Based On Novel Eye Openness Recognition Method Using Image Processing”. International Journal of Engineering and Computer Science 7 (05). india:23914-25. http://ijecs.in/index.php/ijecs/article/view/4064.