AOAC. 1980. Official Methods of Analysis of Association of Official Analytical Chemists., 13th edition, AOAC. Washington. 1018.
APHA. 1985. Standard methods for the examination of water and wastewater (revised edition), Pub. 67. American Water Work Association, Water Pollution Control Federation, 18th edition, Washington DC., USA., 4-80, 4-90.
Jafri, A. K. and M. F. Anwar. 1995. Protein digestibility of some low cost feed stuff in fingerling of Indian major carp. Asian Fish. Sci. 8:47-53.
Jhingran, V. G. 1982. Fish and fisheries of India (3rd Ed.) published by Hindustan Publishing Corporation, New Delhi. 273-338.
Maheswari, R. C., C. P. Bohra and P. K. Srivastava. 1984. Energy demand and biomass energy potential. Changing Villages 6 (5):337-341.
Murachi, T. and N. Takahashi. 1970. In: Structure-function Relationship of proteolytic enzymes (Ed. P. Densuella, H. Neurath and Ottenson) Munksagard, Copenhagen, Denmark: 298-309.
Patel, B. M., C. A. Patel and P. M. Talpada. 1972. Evaluation of mango seed kernels and tomato waste in the ration of bullocks. Indian J. Nutr. and Dietet. 9(6):347-350.
Peterson, G. L. 1977. A Simplification of protein assay of Lowry et al. which is generally more applicable. Analytical Biochem. 83:346-356.
Rick, W. 1974. Trypsin measurement with casein as substrate. In: Methods of enzymatic analysis (Ed. H. V. Bergmeyer), Verlag Chemie, Weinhein, Academic Press Inc., New York, London, 2nd ed., 2:1013-1024.
Rick, W. and H. P. Stegbauer. 1974. Alpha-amylase by measurement of reducing groups. Verlag Chemie, Weinhein, Academic Press Inc., New York, London, 885-889.
Snedecor, G. W. and G. Cochran. 1967. Statistical Methods. Oxford and IBH Publishing Co., New Dehli. p. 593.