00489nam a2200157Ia 4500008004100000020001800041040002500059082002600084100001700110245002400127260002500151942000700176942000700183952012400190999001700314240809s9999 xx 000 0 und d a9786210401028 aNORSU-DumcNORSU-Dum aFil/338.4791/C88/2019 aReil G. Cruz 0aSustainable tourism bRex Book Storec2019 cBK yBK 00104070aNORSU-DumbNORSU-DumcFILd2024-08-09l0oFil/338.4791/C88/2019pNORSU000025425r2024-08-09w2024-08-09yBK c51404d51404