A. Ahmed, Z. Al Cheikh Mahmoud Awad, and N. Mohd Yaacob, “The Response of Accessibility Infrastructures for PWD to National Disability Policies in Higher Institutions of Developing Countries: Case Study of Ahmadu Bello University, Zaria and University of Malaya, Kuala Lumpur”, Jour_Surv_Const_Prop, vol. 5, no. 1, pp. 1–16, Jun. 2014.