Murtianto, Hendro, Shyang Woei Lin, and Zue-er Chen. “GROUNDWATER CONSERVATION MODEL ON RECHARGE AREA OF VOLCANIC SLOPE”. IJRDO-Journal of Applied Science 3, no. 4 (April 30, 2017): 83-101. Accessed November 23, 2024. http://13.234.104.160/index.php/as/article/view/1271.