Creators LILINGGAWATI ISMANTO Contributors Dra. Monica Ida Uniati , M.M. (Examination Committee 1) Publisher Universitas Kristen Petra Language Indonesian Theme Digital Theses Category Diploma 3 Sub category Tugas Akhir Source Tugas Akhir No. 044/PAR/1991; Lilinggawati Ismanto (13788026) Subjects TOURIST TRADE-CUSTOMER SERVICES; TOURIST TRADE-MANAGEMENT