Belizario, Vicente Y., John Paul Caesar R. delos Trinos, Berne Silawan, Chiqui M. De Veyra, Agapito Hornido, Hansel Amoguis, Dominic Basalo, Cherry Dema-ala, Irenn Mantilla, and Rosele Layan. “The Use of Geographic Information System As a Tool for Schistosomiasis Surveillance in the Province of Davao Del Norte, the Philippines”. Geospatial Health 12, no. 2 (November 6, 2017). Accessed January 26, 2021. https://geospatialhealth.net/index.php/gh/article/view/540.