Pam, V. A.; Idris, A. A.; Adejoh, V. A.; Pam, R. G.; Ombugadu, A.; Dogo, S. K.; Danjuma, K. Studies on Parasitic Contamination of Soil and Local Drinking Water Sources, Doma Local Government Area, Nasarawa State, Nigeria: Http: dx.doi.org 10.4314 njpar.V40i1.8. NJP 2019, 40, 51-55.