Sidauruk P, Prasetio R, Satrio ., Pujiindiyati ER. Origin and Recharge Area Determination of Springs Around a Lake for Sustainability of the Lake. J. Hum. Earth Future [Internet]. 2025 Mar. 1 [cited 2025 May 30];6(1):27-40. Available from: http://hefjournal.org/index.php/HEF/article/view/503