@ARTICLE {OIGIANGBE:2007a, title = {Bioactivity of extracts of Alstonia boonei (Apocynaceae) De wild stem bark against Maruca vitrata (Lepidoptera: Pyralidae) Fabricius}, author = {Oigiangbe, O. and Igbinosa, I. and Tamo, M. }, journal = {Advances in Science and Technology}, year = {2007}, volume = {1}, number = {1}, pages = {67--70}, }