Setiyani AD, de FraitureC, Susanto RH, Duker A. Economic valuation for water supply from Merapi Volcano National Park Case study: Kali Kuning sub watershed. JPSL [Internet]. 2017Apr.21 [cited 2024Dec.21];7(1):29-6. Available from: https://journal.ipb.ac.id/index.php/jpsl/article/view/12692