Singh, T., G. S. Kushwah, G. Singh, and R. K. Thapa. “Effect of Psycho-Yogic Training Intervention on Selected Psychological Variables of Female Police Recruits”. Physical Education Theory and Methodology, vol. 21, no. 4, Dec. 2021, pp. 330-6, doi:10.17309/tmfv.2021.4.07.