C.U, Nwachukwu, Edeoga H.O, Kemka-Evans C.Iand, and Iwuanyanwu C.J. 2016. “Stem Anatomical Studies of Some Species of Indigofera L. (Leguminosae-Papilionoideae)”. JOURNAL OF ADVANCES IN BIOLOGY 9 (4):1969-75. https://doi.org/10.24297/jab.v9i4.477.