Bal, B. S., P. Kaur, D. Singh, and M. Bhardwaj. “Effects of 6-Weeks Bhastrika Pranayama Intervention on Health-Related Components of Physical Fitness”. Physical Education of Students, vol. 25, no. 4, Aug. 2021, pp. 230-8, doi:10.15561/20755279.2021.0404.