Nehad E. Ahmed , N. ., and H. M. M. A. E. Rahman. “OPTIMIZING THE PRODUCTION OF PECTINASE OF ORANGE PEEL WASTE BY PENICILLIUM CHRYSOGENUM MF318506 USING RESPONSE SURFACE METHODOLOGY IN SUBMERGED FERMENTATION”. Journal of Microbiology, Biotechnology and Food Sciences, vol. 11, no. 1, Aug. 2021, p. e3931, doi:10.15414/jmbfs.3931.