Patil, V., S. Mantri, P. Agarwal, D. Patil, V. M. Wadhai, and R. Mitkar. “Efficient Method for Stress Detection and Analysis”. INTERNATIONAL JOURNAL OF RESEARCH IN EDUCATION METHODOLOGY, vol. 3, no. 3, Sept. 2013, pp. 309-15, doi:10.24297/ijrem.v3i3.3941.