V.V. Kishore, P, P Siva Kameswari, K Niharika, M Tanuja, M Bindu, D Anil Kumar, E Kiran Kumar, and M Teja Kiran. “Spatial Joint Features for 3D Human Skeletal Action Recognition System Using Spatial Graph Kernels”. International Journal of Engineering and Technology 7, no. 1.1 (December 21, 2017): 489–493. Accessed August 18, 2025. https://mail.sciencepubco.com/index.php/IJET/article/view/10152.