Mansor, M. N., Yaacob, S., Nagarajan, R., Hariharan, M., & Abdul Rahim, R. (2011). Patients facial expressions analysis under different angle in intensive care unit. Penerbit UTM Press.

Mansor, Muhammad Naufal, Sazali Yaacob, Ramachandran Nagarajan, Muthusamy Hariharan, and Ruzairi Abdul Rahim. Patients Facial Expressions Analysis Under Different Angle in Intensive Care Unit. Penerbit UTM Press, 2011.

Mansor, Muhammad Naufal, et al. Patients Facial Expressions Analysis Under Different Angle in Intensive Care Unit. Penerbit UTM Press, 2011.