Hussain, S., M. A. RAZZAQ, H. SHAH, M. N. LASHARI, and A. W. BHAYO. “Nursing Workload and Level of Patient Satisfaction With Nursing Care in Cardiology Department at Tertiary Care Hospitals Pakistan”. Journal of Liaquat University of Medical & Health Sciences, vol. 20, no. 3, Oct. 2021, pp. 241-5, http://ojs.lumhs.edu.pk/index.php/jlumhs/article/view/425.