Haroon, L., and S. T. Zahra. “MENTAL TOUGHNESS AND PSYCHO-SOCIAL REACTIONS IN COVID-19 SUFFERERS: A MEDIATING ROLE OF EMBITTERMENT”. Journal of Postgraduate Medical Institute, vol. 38, no. 1, Feb. 2024, pp. 9-14, doi:10.54079/jpmi.38.1.3299.