1. A statistical survey of the artisanal fisheries of south-eastern Nigeria and the influence of hydroclimatic factors on catch and resource productivity;Moses;Elsevier Science Direct 57(3),2002
2. Welcomme RI (2003) River fisheries in Africa: their relationship to flow regimes. NAGA, World Fish Center Quarterly 26 (3): 22-26.
3. Asuquo FE, Udoh JP (2002) Patterns of total hydrocarbon, copper and iron in some fish from cross river Estuary, Nigeria. West African Journal of Applied Ecology 3: 91- 97.
4. Ekpo IE, Obot OI, Essien-Ibok MA (2014) Studies on the food composition and feeding pattern of fish communities in Qua Iboe River, Niger Delta region of Nigeria. American Journal of Biology and Life Sciences 2(5): 122-134.
5. Nawa IG (1986) The Abundance and Distribution of Benthos in the Cross River Estuary. A Paper Presented During the First National Workshop on Oceanography, University of Calabar, Nigeria.