O. Okonkwo, C. and M. Onyeji, C. (2018) “Insecticidal Potentials and Chemical Composition of Essential Oils from the Leaves of Phyllanthus amarus and Stachytarpheta cayennensis in Nigeria”, International Journal of Biochemistry Research & Review, 22(3), pp. 1-16. doi: 10.9734/IJBCRR/2018/42315.