ROOPA PRASAD, and A. JAYAKUMARAN NAIR. “IMMOBILIZATION OF BACILLUS SP. PROTEASE ON DIFFERENT MATRICES AND ITS ENZYMATIC CHARACTERIZATION”. International Journal of Pharma and Bio Sciences, vol. 4, no. 4, Dec. 2013, pp. 155-61, https://ijpbs.net/index.php/journal/article/view/2848.