KAJIAN PENGELOLAAN KAWASAN EKOSISTEM GUNUNG BERDASARKAN JASA EKOSISTEM DAN AKTIVITAS MANUSIA: KASUS DI HULU DAERAH ALIRAN SUNGAI BOGOWONTO Mountain Ecosystem Assessment Based on Ecosystem Services and Human Activities: A Case in Upper Part of Bogowonto Watershed - , Umi Latifah P ([Yogyakarta] : Universitas Gadjah Mada, 2014)