Upadhyay, K., A. Phulkar, S. Yadav, A. Sharma, and V. Terang. “Enhancing Skill Performing Competency Among Handball Players: Comparative Effects of Mental Imagery, Self-Talk, and Their Combination”. Physical Education Theory and Methodology, vol. 25, no. 6, Nov. 2025, pp. 1371-7, doi:10.17309/tmfv.2025.6.07.