Creators HENDY CHANDRA WIJOYO Contributors Dra. Monica Ida Uniati , M.M. (Examination Committee 1); Juliuska Sahertian (Advisor 1) Publisher Universitas Kristen Petra Language Indonesian Theme Digital Theses Category Diploma 3 Sub category Tugas Akhir Source Tugas Akhir No. 083/Par/1992; Hendy Chandra Wijoyo (13789017) Subjects TOURIST TRADE; LAKES-RECREATIONAL USE; NGEBEL LAKE (JAWA, INDONESIA)