Faruk, N., N. T. Surajudeen-Bakinde, A. A. Ayeni, O. W. Bello, and O. A. Fadipe-Joseph. 2018. “Technology Options for Public Safety and Disaster Relief Networks”. ARID ZONE JOURNAL OF ENGINEERING, TECHNOLOGY AND ENVIRONMENT 14 (1), 1-25. https://azojete.com.ng/index.php/azojete/article/view/94.