Lopez, Edilyn G. <br/><br/>Sustainable tourism/  -- Quezon City;  Wiseman's Books Trading, Inc.  2023. <br/>78 p; <br/><br/> includes bibliographical references and index <br/><br/><label>ISBN: </label>978-621-418-288-6 <br/><br/><label>Subjects--Topical Terms: </label><br/>Ecotourism-- Philippines<br/><br/><label>Dewey Class. No.: </label>Fil 338.4791 L8642 2023