Siti Nazeera Bt Ahmad Zaki. (2012). Physical parameter opyimization of feather protein hydrolysate production by Aspergillus terreus UniMAP AA-1 using submerged fermentation. School of Bioprocess Engineering, University Malaysia Perlis.

Siti Nazeera Bt Ahmad Zaki. Physical Parameter Opyimization of Feather Protein Hydrolysate Production by Aspergillus Terreus UniMAP AA-1 Using Submerged Fermentation. Kangar, Perlis: School of Bioprocess Engineering, University Malaysia Perlis, 2012.

Siti Nazeera Bt Ahmad Zaki. Physical Parameter Opyimization of Feather Protein Hydrolysate Production by Aspergillus Terreus UniMAP AA-1 Using Submerged Fermentation. School of Bioprocess Engineering, University Malaysia Perlis, 2012.