singh, D. H. “2-D BIOMECHANICAL ANALYSIS OF SPIKING SKILL IN VOLLEYBALL”. International Journal of Behavioral Social and Movement Sciences Established in March 2014 | Published Quarterly (March, June, September, December), vol. 11, no. 03, Aug. 2022, pp. 13-21, https://ijobsms.org/index.php/ijobsms/article/view/393.