4 1 10 Bartono Additional Author Ruffino Additional Author mixed material 9789792902556 Yogyakarta Andi 2007 hotel_-_bartono.jpg.jpg teknik supervisi & uji kompetensi untuk pendidikan pariwisata Bartono Additional Author Ruffino Additional Author mixed material 9789792913699 Yogyakarta Andi 2010 supervision.jpg.jpg Bartono Primary Author Ruffino E.M. Additional Author mixed material 9789792902556 Yogyakarta Andi 2007 hotel.jpg.jpg Bartono P.H., SE & Ruffino E.M., SE Additional Author mixed material 9789792902556 Yogyakarta Andi 2007 946.jpg.jpg