Mohd Yusof, Zulkifli, et al. “PHYSICAL FITNESS ASSESSMENT OF MSKPPM KEDAH VETERAN FOOTBALL PLAYERS: PENILAIAN TAHAP KECERGASAN FIZIKAL PEMAIN BOLA SEPAK MSKPPM NEGERI KEDAH (KATEGORI VETERAN)”. Jurnal Sains Sukan & Pendidikan Jasmani, vol. 5, no. 1, May 2016, pp. 49-64, https://ejournal.upsi.edu.my/index.php/JSSPJ/article/view/684.