SEDRAH , Z.T. et al. 2016. EXTRACTION, PURIFICATION AND CHARACTERIZATION OF PROTEASE OF Pseudomonas fluorescens ISH AND IT’S ROLE IN DETERIORATION OF IRAQI SOFT CHEESE 2- EXTRACTION, PURIFICATION AND CHARACTERIZATION OF PROTEASE OF P. fluorescens ISHAND EFFECT OF IT ON MILK PROTEIN. Diyala Agricultural Sciences Journal . 8, 1 (Jun. 2016), 26–39.