Ahmed K, Valeem EE, Khan MA, Uul-Haq Q (2015) Biosynthesis of alpha amylase from aspergillus fumigatus (fresenius 1863) in submerged fermentation. Pakistan Journal of Biotechnology  12(2): 87 – 92.

Ahuja SK, Ferreira GM, Morreira AR (2004) Application of Plackett and Burman design and response surface methodology to achieve exponential growth of aggregated shipworm bacterium. Biotechnology and Bioengineering 85: 666–675.

Asrat B, Girma A (2018) Isolation, production and characterization of amylase enzyme using the isolate Aspergillus niger FAB-211.  International Journal of Biotechnology and Molecular Biology Research 9(2): 7-14

Avwioroko OJ, Tonukari NJ (2015) Biochemical characterization of crude α-amylase of Aspergillus spp. associated with the spoilage of cassava (Manihot esculenta) tubers and processed products in Nigeria. Advances in Biochemistry 3:15-23

Bharathiraja B, Jayakumar M, Nithyananthi MJT, Vinosh Muthu kumar P, Saravanaraj A, Senthilkumar K (2016) Production and kinetics of amylase from starch using mutant strain of Bacillus Sp MTCC 1434. Journal of Chemical and Pharmaceutical Sciences 9(1): 281 – 286.

Demirkan E, Sevgi T, Baskurt M (2017) Optimization of Physical Factors Affecting the Production of the α-Amylase from a Newly Isolated Bacillus sp. M10 Strain. Karaelmas Science and Engineering Journal 7(1):23-30

Ellaiah P, Adinarayana K, Bhavani Y, Padmaja P, Srinivasulu B (2002) Optimization of process parameters for glucoamylase production under solid state fermentation by a new isolated Aspergillus species. Process Biochemistry 38: 615–620.

Elmansy EA, Asker MS, El-Kady EM, Hassanein SM, El-Beih FM (2018) Production and optimization of α-amylase from thermo-halophilic bacteria isolated from different local marine environments. Bulletin of the National Research Centre 42:31

Fogarty WM (1983) Microbial Amylases. In: Microbial Enzymes and Biotechnology, W.M. Fogarty (Ed.). Applied Science Publishers Ltd., London, UK, 1-92

Jiby JM, Prem JV, Sajeshkumar NK, Anjaly A (2016) Amylase production by Aspergillus niger through submerged fermentation using starchy food by-products as substrate. International Journal of Herbal Medicine 4(6): 34-40.

Konsula Z, Liakopoulou-Kyriakides M (2004) Hydrolysis of starches by the action of an α-amylase from Bacillus subtilis. Process Biochemistry 39(11):1745-1749

Mabel SH, Marilu RR, Nelson PG, Renato PR (2006) Amylase production by Aspergillus niger in submerged cultivation on two wastes from food industries. Journal of Food Engineering 73: 93–100.

Pankaj, Bisht TS, Pathak VM, Barh A, Chandra D (2015) Optimization of amylase production from the fungal isolates of Himalayan region Uttarakhand, India. Ecology, Environment and Conservation 21 (3): 1517-1521.

Pathania S, Sharma N, Handa S (2017) Optimization of Culture Conditions for Production of Amylase by Bacillus amyloliquifaciens SH8 Using Response Surface Methodology. Proceedings of the Indian National Science Academy 83(1): 203-210

Rajagopalan G, Krishnan C (2008) α-Amylase production from catabolite derepressed Bacillus subtilis KCC103 utilizing sugarcane bagasse hydrolysate, Bioresource Technology 99: 3044–3050

Sarra M, Redin I, Ochin F (1993) Application of factorial design to the optimization of medium components in batch cultures of Streptomyces lividans TK21 producing a hybrid antibiotic. Biotechnology Letters 15: 559–564.

Shah IJ, Gami PN, Shukla RM, Acharya DK (2014) Optimization for α-amylase production by Aspergillus oryzae using submerged fermentation technology. Basic Research Journal of Microbiology 1(4): 01-10.

Shivaramakrishnam S, Gangadharan D, Nampoothiri KM, Soccol CR, Pandey A (2006) α-Amylases from microbial sources–an overview on recent developments. Food Technology and Biotechnology 44(2):173-184.

Singhania RR (2011) Chapter 8 - Production of Celluloytic Enzymes for the Hydrolysis of Lignocellulosic Biomass – Biofuels 177-201

Singhania RR, Patel AK, Thomas L, Goswami M, Giri BS, Pandey A (2015),Chapter 13 - Industrial Enzymes - Industrial Biorefineries & White Biotechnology, 473-497

Subash CBG, Periasamy A, MdArshad MK, Thangavel L, Chun HV, UdaHashim, Suresh VC (2017) Biotechnological Processes in Microbial Amylase Production. Article ID 1272193: 1 – 9

Tanyildizi MS, Dursun Ozer D, Elibol M (2005) Optimization of a-amylase production by Bacillus sp. Process Biochemistry 40: 2291–2296.

Vimal SP, Ujjval BT, Kamlesh CP (2015) A statistical approach for the production of thermostable and alklophilic alpha-amylase from Bacillus amyloliquefaciens KCP2 under solid-state fermentation. 3 Biotech 5:211–220