1. Biological Management of coffee processing wastes;Adams;Tropical Science,1981
2. Effect of feeding different levels of cellulose on the growth performance and body composition of Oreochromis niloticus;Al-Ogaily;Arab Gulf Journal of Scientific Research,1996
3. Amato S. 1996 Mimeografiado. Caracterización de las exoenzimas de 100 cultivos bacterianós nativos de Costa Rica. Informe final de Projecto Escuela de Química, Universidad Nacional
4. Effects of dietary carbohydrate and fibre on the tilapia Oreochromis niloticus (Linn);Anderson;Aquaculture,1984
5. AOAC (Association of Official Analytical Chemists). 1980 Official Methods of Analysis 12th edn AOAC