Suhadi Purwantara, Arif Ashari, and Mohd Hairy Bin Ibrahim. 2020. “THE CHARACTERISTICS OF INFILTRATION ON THE SOUTHERN FLANK OF MERAPI VOLCANIC PLAIN, YOGYAKARTA, INDONESIA”. GEOMATE Journal 19 (74):201-9. https://geomatejournal.com/geomate/article/view/1879.