00529nam a2200145Ia 4500008004100000020002200041100001800063245003900081260003800120300002500158650001500183650002800198999001900226952013800245200909s9999    xx            000 0 und d  a978-621-04-0102-8  aCruz, Reil G.  cReil G. CruzaSustainable tourism/  aQuezon City:bREX Bookstorec2019  ax, 218 pagesc25 cm.  aEcotourism  aSustainable development  c364150d364150  001040aCLbCLcFILd2020-09-09eLibrary fundl4m5oG 156.5.E26 .C957 2019pC22329r2024-05-09 00:00:00s2023-09-19w2020-09-09yBK