William, R. R., S. G. Kirubakar, and J. G. D. Margaret. “Single Leg, Double Leg and Combined Plyometric Training Implications on Skill Performance Among Football Players”. International Journal of Health Sciences, vol. 6, no. S3, Apr. 2022, pp. 2514-20, doi:10.53730/ijhs.v6nS3.6074.