Ojonubah, O.J (2004). An effective strategy for coping with overcrowded mathematics classroom. Journal of Sciences and Vocational Education 3(1), 44-49
Ojonubah , O.J (2007). Mathematics teachers altitude reforms in Education. Confluence journal of Education, 3(1), 170-177
Ojonubah , O.J. (2007). Effect of instructional aids on students achievement in mathematics. Journal of Science and Vocational Education, 4(1), 76-82
Ojonubah, O.J. (2009). Influence of English language background on mathematics achievement for achieving the national agenda. Confluence Journal of Education , 5(1), 80-89
Ojonubah, O.J. (2010). Evaluation for continuous assessment for reforms and repositioning of mathematics education. Agbor Journal of Science Education. 3(1).
Ojonubah, O. J & Buari A(2011). Issues of Class-size and mathematics achievement in schools. Multidisciplinary Journal of Research Development, 17(3), 160-167
Ojonubah, O.J & Buari N.A.(2011). Gender and teaching methods on mathematics achievement in schools. Journal of Science and Vocational Education, 5, 174-184
Ojonubah, O.J Buari N.A (2011). Perception of studens about the use of ICT in mathematics learing in Federal college of Education, Okene. Academic scholarship journal, 3(1), 202-210
Ojonubah, O.J. (2013). Effects of teacher qualification on student achievement in mathematics in Federal College of Education, Okene. The Fountain a journal of General Studies Education, 2(1)
Ojonubah, O.J & Atiti S.E.(2004). Modern General Mathematics. Okene Dele printing press.
Ojonubah, O.J, Buari, N.A, Atiti, S.E, Salawu, I.S, Daniel F.& Mgbajiaka, C.I , (2017). Mathematics for General Studies in Education . 2. Ilorin: Nathadex.
Ojonubah, O.J Buari, N.A, Atiti, S.E, Salawu, I.S Shehu, A. & Mgbajiaka, C.I. (2010). Mathematics for General Studies in Education 1 Okene : Vas Dynamic Press & Publishing Co.
Ojonubah, O.J & Chuba M.A. (2011). Foundation Course in Mathematics for Social Scientists Akure: Blessing Press Limited.
Ojonubah, O.J, Buari, N.A, Atiti, S.E, Salawu, I.S Shehu, A.H & Mgbajiaka, C.I. (2012). Mathematics for General Studies in Education (Revised Edition). Ilorin: Nathadex