“Preliminary Investigation of Some Biological Aspects of Length-Weight Relationship and Condition Factor of Periwinkle (Tympanotonus Fuscatus, Linnaeus 1758) From Okrika Estuary”. Global Journal of Science Frontier Research 17, no. E1 (January 15, 2017): 7–13. Accessed April 9, 2026. https://journalofscience.org/index.php/GJSFR/article/view/2079.