NTA, A. I.; AGBO, B. E.; UDOEKONG, N. S. Bio-insecticidal and Grain Protectant Activities of Mixed Powder of Ocimum gratissimum and Vernonia amydalina against Callosobruchus maculatus (Coleoptera: Bruchidae). Recent Advances in Biological Research Vol. 1, p. 120-128, 16 jul. 2019.