Spatial Patterns of Public Facility Services based on Grid/Cell Supply Approach (Case Study: Elementary School in Malang, Surakarta & Banjarmasin City)Deni Agus Setyono, Septiana Hariyani, Denny Dwi Cahyono and Masdar HelmyMATEC Web Conf., 97 (2017) 01063DOI: https://doi.org/10.1051/matecconf/20179701063