S. E., E. B.E, E. E.E., A. E.A.2, and A. O.P, “MICROBIOLOGY AND PHYSICOCHEMICAL PROPERTIES OF MECHANIC WORKSHOP POLLUTED SOIL AMENDED WITH COWPEA CHAFF IN ANYINGBA, KOGI STATE, NIGERIA”, Malaysian J. Sci., vol. 32, no. 1, pp. 9–14, Jun. 2013.