Chukwuma Azuonye. "Ogbuu-Kay! The "After Laugh" Lingers On (Memorial Tribute to Ogbu Uke Kalu, 1942-2009)" The Collected Papers of Ogbu Uke Kalu, Vol. 2, Christian Missions in Africa: Success, Ferment and Trauma, ed. Wilhelmina Kalu, Nimi Wariboko, and Toyin Falola (2010)
Available at: http://works.bepress.com/chukwuma_azuonye/44/