1. Catastrophic rockslide-debris avalanche at st. Bernard, southern Leyte, Philippines;Catane;Landslides,2007
2. UNISDR Terminology on Disaster Risk Reduction,2009
3. Developing Early Warning Systems : A Checklist,2006
4. Early warning systems defined;Kelman,2014
5. A review of studies on community based early warning systems;Macherera;Jàmbá : Journal of Disaster Risk Studies,2016