Mustapha, M. and Othman, E.A. and Norsal, K. and Mustapha, F. and Mamat, O. and Ramesh, S. (2013) Carbothermal nitridation process of mechanically milled silica sand using Taguchi's method. Ceramics International, 39 (6). pp. 6119-6130. ISSN 02728842