C.M. Okolocha, et al. “Concentrations of Organochlorine Pesticide (OCP) Residues in Environmental and Biota Samples from Azuabie and Okujagu Creeks, Upper Bonny Estuary, Nigeria”. International Journal of Sciences: Basic and Applied Research (IJSBAR), vol. 79, no. 1, July 2026, pp. 274-89, https://gssrr.org/JournalOfBasicAndApplied/article/view/17802.