Okolo, P. O. The Nigeria civil war : its cause(s), strategies & lessons Philips O. Okolo - 1st ed - Yenogoa El-mercy publishers 2010 - viii, 68 p. 20 cm. ISBN: 9789784954706 Subjects--Topical Terms: Civil WarHistoryNigeria LC Class. No.: DT 515.9 0346