Osho, Gbolahan S., and Arinola C. Ebalunode. “Measuring Literacy Gap in the World for Economic and Social Development: Evidence from Selected Countries and the Lessons Learned”. Journal of Economics and Behavioral Studies, vol. 10, no. 6A(J), Jan. 2019, pp. 123-30, https://doi.org/10.22610/jebs.v10i6A.2668.