[1]
L.-L. Ong, A.-C. Koo, Y.-F. Tan, W.-N. Tan, and F. Y.-P. Lim, “SymmeGuess: Fun beyond Symmetry Learning”, Int. J. Adv. Sci. Eng. Inf. Technol., vol. 2, no. 6, pp. 468–471, Dec. 2012.