Bhatnagar D, Joseph I, Paul Raj R. Amylase and acid protease production by solid state fermentation using Aspergillus niger from mangrove swamp. Indian J. Fish. [Internet]. 2011 Jul. 5 [cited 2026 Jun. 17];57(1):45-51. Available from: https://epubs.icar.org.in/index.php/IJF/article/view/7522