1. Adewuya, A., Ola, B., Aloba, O., Mapayi, B., & Oginni, O. (2006). Depression amongst Nigerian university students: prevalence and sociodemographic correlates. Social Psychiatry and Psychiatric Epidemiology, 41(8), 674–678. https://doi.org/10.1007/s00127-006-0068-9
2. Adlaf, E., Gliksman, L., Demers, A., & Newton-Taylor, B. (2001). The prevalence of elevated psychological distress among Canadian undergraduates: findings from the 1998 Canadian campus survey. Journal of American College Health, 50(2), 67–72. https://doi.org/10.1080/07448480109596009
3. American College Health Association (2005). National College Health Assessment- Reference Group Data Report. Fall, 2005: American College Health Association. Retrieved from http://www.acha-ncha.org/docs/ACHANCHA_Reference_Group_Report_Fall2005.pdf .
4. American College Health Association (2010). National College Health Assessment II- Reference Group Data Report. Spring, 2010: American College Health Association. Retrieved from http://www.acha-ncha.org/docs/ACHA-NCHA-II_ReferenceGroup_DataReport_Spring2010.pdf .
5. American College Health Association (2014). National College Health Assessment II- Reference Group Data Report. Spring, 2014: American College Health Association. Retrieved from http://www.acha-ncha.org/docs/ACHA-NCHA-II_ReferenceGroup_DataReport_Spring2014.pdf .