Burji, S. D. ., P. . Aaron, S. Solomen, and M. H.S. “INTRA-RATER RELIABILITY OF WII BALANCE BOARD (WBB) IN ASSESSING STANDING BALANCE IN OLDER ADULTS”. International Journal of Physiotherapy, vol. 1, no. 2, June 2014, pp. 33-39, https://ijphy.com/index.php/journal/article/view/9.