Pages 307–309 in Shahin, Mamdouh (2002). "Hydrology of Large River Basins: Eastern and Western Africa". Hydrology and Water Resources of Africa. Water Science and Technology Library. Vol. 41. pp. 271–334. doi:10.1007/0-306-48065-4_7. ISBN978-1-4020-0866-5.
Anyadike, Raymond N. C.; Phil-Eze, Phillip O. (1989). "Runoff Response to Basin Parameters in Southeastern Nigeria". Geografiska Annaler: Series A, Physical Geography. 71 (1–2). Blackwell Publishing: 75. Bibcode:1989GeAnA..71...75A. doi:10.1080/04353676.1989.11880274. JSTOR521009.
Pages 307–309 in Shahin, Mamdouh (2002). "Hydrology of Large River Basins: Eastern and Western Africa". Hydrology and Water Resources of Africa. Water Science and Technology Library. Vol. 41. pp. 271–334. doi:10.1007/0-306-48065-4_7. ISBN978-1-4020-0866-5.
Ejikeme Odo, Gregory; Didigwu, Nwani Christopher; Effiong Eyo, Joseph (31 July 2013). "The fish fauna of Anambra river basin, Nigeria: species abundance and morphometry". Revista de Biología Tropical. 57 (1–2): 177–186. doi:10.15517/rbt.v57i1-2.11312. PMID19637699.
Anyadike, Raymond N. C.; Phil-Eze, Phillip O. (1989). "Runoff Response to Basin Parameters in Southeastern Nigeria". Geografiska Annaler: Series A, Physical Geography. 71 (1–2). Blackwell Publishing: 75. Bibcode:1989GeAnA..71...75A. doi:10.1080/04353676.1989.11880274. JSTOR521009.
jstor.org
Anyadike, Raymond N. C.; Phil-Eze, Phillip O. (1989). "Runoff Response to Basin Parameters in Southeastern Nigeria". Geografiska Annaler: Series A, Physical Geography. 71 (1–2). Blackwell Publishing: 75. Bibcode:1989GeAnA..71...75A. doi:10.1080/04353676.1989.11880274. JSTOR521009.
nih.gov
pubmed.ncbi.nlm.nih.gov
Ejikeme Odo, Gregory; Didigwu, Nwani Christopher; Effiong Eyo, Joseph (31 July 2013). "The fish fauna of Anambra river basin, Nigeria: species abundance and morphometry". Revista de Biología Tropical. 57 (1–2): 177–186. doi:10.15517/rbt.v57i1-2.11312. PMID19637699.