Vonke Juliana Dickson, Paschalina Manomi , Philip E. Dickson
1University of Jos, Department of Economics, dicksonv@unijos.edu.ng 08037007143
2Moddibo Adama University Teaching Hospital Yola, Dept. of Administration, zpaschalina@yahoo.com 08036580299
3National Center for Remote Sensing Jos, Clinic, p.enyidad@gmail.com 08036123757