APPLICATION OF RESPONSE SURFACE METHODOLOGY TO EVALUATE THE EFFECT OF THE CONCENTRATION OF SUGAR AND COMMERCIALS STARTERS ON THE FERMENTATION KINETICS OF YOGURT
J.M. Rodríguez-Bernal, J. A. Serna-Jiménez, M.A. Uribe-Bohórquez, B. Klotz and M. X. Quintanilla-Carvajal