by Ndukwu, M.C., Horsfall, I.T., Ubouh, E.A., Orji, F.N., Ekop, I.E., Ezejiofor, N.R.
Published in Journal of King Saud University. Engineering sciences (01.09.2021)

by Ndukwu, M.C., Ekop, I.E., Etim, P.J., Ohakwe, C.N., Ezejiofor, N.R., Onwude, D.I., Abam, F.I., Igboayaka, E.C., Ohia, A.
Published in Scientific African (01.11.2019)

by Paul, Tosin, Ekop, I.E., Simonyan, K.J.
Published in Agricultural engineering (Belgrade, Serbia) (2023)