El-Gendi, H.; Azab, M. S.; El-Fakharany, E. M.; Soliman, N. A.; Abdel-Fattah, Y. R. Purification and Characterization of Contemporaneously Produced Alkaline Protease and α-Amylase Enzymes from Locally Isolated Bacillus Methylotrophicus SCJ4. PSM Biol Res 2016, 1, 88-95.