Singh, S., and V. Verma. “Assessing the Applicability and Usability of Patient Satisfaction Levels As a Tool for Judging Quality of Service in a Medical College Hospital in Punjab, North India”. Public Health Review: International Journal of Public Health Research, Vol. 3, no. 5, Oct. 2016, pp. 185-94, doi:10.17511/ijphr.2016.i5.02.