Onyeche, Joseph Ifeanyi. 2002. Changes in Ika: an exploratory study of a language and a community/Ógbehuto ri íka: ndamî nlele asusu le ali íka. Gothenburg: Göteborg Univ. Ph.D. dissertation.
@misc{3132, author = {Onyeche, Joseph Ifeanyi.}, title = {Changes in Ika: an exploratory study of a language and a community/Ógbehuto ri íka: ndamî nlele asusu le ali íka. Gothenburg: Göteborg Univ. Ph.D. dissertation.}, year = {2002} }