A.G., I. and U.S., O. (2014) “EFFECT OF CRUDE OIL AND BIOSTIMULANT (BIOREMEDIATION) ON GROWTH EXTRACT OF MAIZE (ZEA MAYS (L.) AND COWPEA (VIGNAUNGUICULATA (L.) WALP)”, European Scientific Journal, ESJ, 10(6). doi: 10.19044/esj.2014.v10n6p%p.