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Setiyani, A. D.; de Fraiture, C.; Susanto, R. H.; Duker, A. Economic Valuation for Water Supply from Merapi Volcano National Park Case Study: Kali Kuning Sub Watershed. JPSL 2017, 7 (1), 29-36. https://doi.org/10.29244/jpsl.7.1.29-36.