Patil, Neha Netaji, and Smrutika v shinde. “A Cross-Sectional Study Of Physical Fitness Index By Using Modified Harvard Step Test In Taekwondo Athletes”. Journal of Neonatal Surgery, vol. 14, no. 26S, July 2025, pp. 1142-7, https://jneonatalsurg.com/index.php/jns/article/view/8408.