1. Abolagba O. J Okonji V.A and Enobakhare D.A. (1996):     Salting    of Fish As A        Means OF Reducing
    Damage by   Demestes  maculatus (Coleoptera;   Demerstidae).Nigerian Journal of  Entomology 13: 81-91.

2. Okonji V.A and Akolisa Obi (1999). Effects of Three Fertilizer Treatments On Zooplankton Productivity In
     Plastic Tanks.  Indian  Journal of Animal Science 69 (5): 360 –63.

3. Okonji V.A and Olanusi J.A (2000); Effects of  different forms and  mode of    application of       chicken manure
    on growth performance of Oreochromis niloticus.The Journal of west African       Fisheries.Vol.IX: pp451-456

4. Okonji V.A and Asini E.E (2001): Control of Predatory Aquatic Insect (Ranatra  dispar and Lithocerus
    insulanus) by Using Palm Oil. Indian Journal of Animal Sciences 71 (10): 998-1000

5. Okonji V.A , Enobakhare D.A and Asini E.E (2001): Control of  Two Predators  Aquatic Insects, Ranatra  dispar
   (Hale) and Lethocerus insulanus  Mont) Prevalent in Fish Ponds Using Local Oil Sources.Journal of
    Agriculture, Forestry and Fisheries.2 (1) 26-29.

6. Okonji V.A (2004): Observation on the Aggressive Behavior of Heterobranchus         bidorsalis and
    Oreochromis niloticus in co-culture.Nigerian Journal of Applied         Science 71(10): 182- 1186.

7. Okonji V.A and Afegbua B.H(2004):Production    and Marketing of  Pond Raised Fish in Southern  Part of delta
    state, Nigeria. Journal of Agricultue,Fisheries and Forestry. 5(2) 38-41