Data Preparation for GIS based Land Suitability Modelling: A Stepped ApproachShabir Hussain Khahro, Abd Nasir Matori, Imtiaz Ahmed Chandio and Mir Aftab Hussain TalpurE3S Web Conf., 101 (2019) 02001DOI: https://doi.org/10.1051/e3sconf/201910102001