Mathafeni, T. P., Oagile Osupile, and Kgosietsile Maripe. 2015. “Hazard Early Warning Systems in Botswana: A Social Work Perspective”. International Journal of Health and Medical Information (IJHMI) 4 (1):9-22. http://icidr.org.ng/index.php/Ijhmi/article/view/667.