Imran Sainan, K., M. Mohamad, Z. Mohamed, S. Bahari Saari, M. Faiz Mat, and N. Syuhadah Khusaini. “Athletes Tracking Using Homography Method: A Preliminary Study”. International Journal of Engineering & Technology, vol. 7, no. 4.27, Nov. 2018, pp. 6-10, doi:10.14419/ijet.v7i4.27.22427.