"N. Ahmad,Z. Taha,SADAYUKI UJIHASHI,KATSUMASA TANAKA","An Experimental Study of the Impact of a Sepak Takraw Ball on a Flat Surface","4th Asia-Pacific Congress on Sports Technology","The Impact of Technology on Sports III Edited by F. Alam, L. V. Smith, A. Subic, F. K. Fuss, S. Ujihashi",,,,"pp. 447-452",2009,Sept.