et. al., Sheila Kylene A. Tawas,. 2021. “A GIS Analysis on the Proximity of Crime Locations to Public Elementary Schools in Cantilan, Surigao Del Sur, Philippines”. Turkish Journal of Computer and Mathematics Education (TURCOMAT) 12 (10):782-91. https://turcomat.org/index.php/turkbilmat/article/view/4249.