“Optimization of Piper Trilinier Diagram Using Lithium Isotope Systematics: An Application for Detecting the Contribution of Geothermal Water from Aso Caldera After Earthquake 2016 in Kumamoto Aquifer, Japan”. 2025. Indonesian Journal of Science and Technology 10 (1): 159-70. https://ejournal.kjpupi.id/index.php/ijost/article/view/412.