Isiokwu Ya na Ya Yiri w94 6/1 p. 3-4 N’ihi Gịnị Ka A Ga-eji Nwee Mmasị n’Okpukpe? N’ihi Gịnị Ka A Ga-eji Jiri Okpukpe Kpọrọ Ihe? Ụlọ Nche Ikwupụta Alaeze Jehova—1991 Ị̀ Chọtawo Ezi Okpukpe Ahụ? Ụlọ Nche Ikwupụta Alaeze Jehova—1994 Otú Ị Pụrụ Isi Gboo Mkpa Ime Mmụọ Gị Ụlọ Nche Ikwupụta Alaeze Jehova—2004 Ikpe Okpukpe Dị Ọcha Maka Nlanarị Ụlọ Nche Ikwupụta Alaeze Jehova—1991 Jehova Enyewo “Ike Karịrị Ike Nkịtị” Ụlọ Nche Ikwupụta Alaeze Jehova—2002