Inyingi, D.D. and Wilcox, L.A. 2016. Gender and Socio-economic Differences in Substance Use Among Academics in Niger Delta University, Bayelsa State of Nigeria. International Journal for Innovation Education and Research. 4, 3 (Mar. 2016), 1–12. DOI:https://doi.org/10.31686/ijier.vol4.iss3.520.