Nwanna et al., 2004. J. Food, Agriculture & Environment, 2 (1): 79-83
Document reference 
Nwanna, L. C. ; Balogun, A. M. ; Ajenifuja, Y. F. ; Enujiugha, V. N., 2004. Replacement of fish meal with chemically preserved shrimp head in the diets of African catfish, (Clarias gariepinus). J. Food, Agriculture & Environment, 2 (1): 79-83
Citation key 
Nwanna et al., 2004
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