Emmanuel Chukwuemeka Nweke และ Emmanuel Nweke Okafor. (2022) The Agitation of the Indigenous People of Biafra (IPOB) And its Impact on Nigeria's National Development. International Program in Business Administration (IBBA) International College, Siam University:ม.ป.ท.Emmanuel Chukwuemeka Nweke และ Emmanuel Nweke Okafor. 2022. The Agitation of the Indigenous People of Biafra (IPOB) And its Impact on Nigeria's National Development. ม.ป.ท.:International Program in Business Administration (IBBA) International College, Siam University;Emmanuel Chukwuemeka Nweke และ Emmanuel Nweke Okafor. The Agitation of the Indigenous People of Biafra (IPOB) And its Impact on Nigeria's National Development. ม.ป.ท.:International Program in Business Administration (IBBA) International College, Siam University, 2022. Print.