1. A comparative analysis of adjectives in English and Yoruba;Adelabu B.;An International Journal of Education and Research,2014
2. Some Yoruba quantifier words and semantic interpretation a critique
3. Ajíbóyè O. 2001. The internal structure of Yorùbá DP. 32 nd Annual Conference of African Linguistics 22–25 March University of California Berkely.
4. Ajíbóyè O. 2004. The syntax of Yorùbá genitive. 35 th Annual Conference of African Linguistics 1–4 April Harvard University Boston.
5. Ajíbóyè O. 2005. Topics on Yorùbá nominal expressions. PhD thesis University of British Columbia Vancouver Canada.