N. HARSHA, V. SRIDEVI, M.V.V. CHANDANA LAKSHMI, and K.VIJAY KUMAR, “RESPONSE SURFACE METHODOLOGY FOR OPTIMIZATION OF PRODUCTION OF MEVASTATIN BY SOLID STATE FERMENTATION USING SESAME OIL CAKE”, ijpbs, vol. 4, no. 3, pp. 392–401, Sep. 2013.