Mahmood, M., Patra, R., Mehta, K., Jain, S. and Mohan, A. (2020) “A Modified System for Facial Expression Recognition and Head Pose Estimation Techniques”, SAMRIDDHI : A Journal of Physical Sciences, Engineering and Technology, 12(SUP 3), pp. 136-141. doi: 10.18090/samriddhi.v12iS3.27.