Abdulwahid, U., and M. M. Usman. “An Assessment of Needs, Access to Public Services and Vulnerabilities Among Internally Displaced Persons in Hadejia and Kafin Hausa Communities, Nigeria”. The International Journal of Humanities & Social Studies, vol. 5, no. 6, June 2017, https://internationaljournalcorner.com/index.php/theijhss/article/view/125414.