Ayawei , P. P., et al. “Sex and Age-Related Parasitism of Clarias Gariepinus in Earthen Ponds in African Regional Aquaculture Centre, Aluu, Rivers State, Nigeria”. Nigerian Journal of Parasitology, vol. 41, no. 2, Sept. 2020, pp. 260-5, https://njpar.com.ng/index.php/home/article/view/344.