Santos, Buen <br/><br/>Principles of Tourism I/ Buen Santos, Ronald G. Manzano.--  -- Quezon City:  C & E Publishing.,  2009. <br/>ix, 144 p.;  ill. (some col.). ;  26 cm. <br/><br/> Includes bibliographical references. <br/><br/><label>ISBN: </label>978-971-584-852-7 <br/><br/><label>Subjects--Topical Terms: </label><br/>Tourism.<br/>Tourism -- Philippines.<br/><br/><label>Dewey Class. No.: </label>Fil 338.4791 Sa596 2009