Emma Chukwuemeka, Ph.D, Ngozi Ewuim, Ph.D, D.S.C. Amobi, and Lizy Okechukwu, PhD, “NIGER DELTA CRISIS – A STUDY OF EVWEREM AND OTU- JEREMI COMMUNITIES: IMPLICATIONS FOR NIGERIA’S SUSTAINABLE DEVELOPMENT”, IJAR, vol. 1, no. 4, pp. 29–47, Sep. 2013.