“MORPHOMETRY OF LAKE PANDAN IN TAPANULI TENGAH DISTRICT, NORTH SUMATERA PROVINCE ”, INTERNATIONAL JOURNAL OF GEOMATE, vol. 19, no. 72, pp. 131–136, Aug. 2020, Accessed: May 07, 2026. [Online]. Available: https://geomatejournal.com/geomate/article/view/1141