E. V. Chukwu, O. D. Olayemi, B. R. Mohammed, N. M. Opara, and R. I. S. Agbede, “Research trends and prevalence of Cryptosporidium infections in animals in Nigeria: A review: http://dx.doi.org/10.4314/njpar.v40i1.17”, NJPAR, vol. 40, no. 1, pp. 103–109, Mar. 2019.