| 2017 | Gideon Sunday Omachonu: Language Documentation and Description: A Programmatic Response to Language Death and Endangerment in Nigeria. Al-Mumtaz Publishers Ltd, 2017 |
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| 2016 | Gideon Sunday Omachonu: Vowel Sequence and Phonemic Status of /h/ and /?/ in Igala. In: Ihafa: A Journal of African Studies , 2016, 154-175 |
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| 2015 | Gideon Sunday Omachonu: Language endangerment in Northern Nigeria: The case of Igala. In: Martin Pütz & Neele Mundt Vanishing Languages in Context. Peter Lang, 2015. 279-294 |
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| 2013 | Gideon Sunday Omachonu: Headedness and Demarcation between Nominal Compound and Noun Phrase in Ígálà. In: O-M. Ndimele, L.C. Yuka & J.F.Ilori, Issues in Contemporary African Linguistics: A Festschrift for O̩ladele Awobuluyi. M & J Grand Orbit Communications Ltd, 2013. 103-124 |
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| 2013 | Gideon Sunday Omachonu & Philip Nweke Anagbogu: Headedness and Demarcation in Nominal Compounds: Evidence from Ígálà, Ìgbò, Kọ̀ríng and Yorùbá. In: Journal of West African Languages (JWAL) , 2013, 1-17 |
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| 2012 | Gideon Sunday Omachonu: Comparative Analysis of the Numeral Systems of Igala, Yoruba, German and English. In: Linguistik online, 2012, 57-73 |
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| 2012 | Gideon Sunday Omachonu
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David Areo Abraham Compounding in Igala: Defining Criteria, Forms and Functions.. In: Unizik Journal of Arts and Humanities (UJAH), 2012, 184-206 |
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| 2012 | Gideon Sunday Omachonu, Williams Sunday Onogu: Determining Compoundhood in Igala: From Universal to Language Specific Focus. In: Journal of Universal Language, 2012, 91-117 |
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| 2012 | Gideon Sunday Omachonu, Philip Nweke Anagbogu: Nigeria at 50: Language Studies and Language Policy. . In: Wolfgang Bokelmann, Olayemi Akinwumi, Uche M. Nwankwo, Anthony O. Agwuele African Leadership Challenges and other Issues.. Mediateam IT Educational Publishers. 2012. 96-204 |
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| 2011 | Gideon Sunday Omachonu, Eleojo M. A. Adama: Assimilation and Syllable Structure Processes in Igala. In: The Nasara Journal of Humanities, 2011, 66-82 |
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| 2011 | Gideon Sunday Omachonu: Derivational Processes in Igala Numeral System: Some Universal Considerations. In: Journal of Universal Language , 2011, 81-101 |
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| 2011 | Gideon Sunday Omachonu: Igala Language Studies: Progress, Issues and Challenges. In: Gideon Sunday Omachonu, Igala Language Studies. LAMBERT Academic Publishing, 2011. 15-45 |
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| 2011 | Gideon Sunday Omachonu: Igala Phonetics and Phonology. In: Gideon Sunday Omachonu, Igala Language Studies. LAMBERT Academic Publishing, 2011. 46-75 |
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