Simulation in international vacations :  developments for research and teaching / 
Harold Guelukow. . . [et al. ] 
 - Englewood Cliffs :  Prentice-Hall,  1963 
 - viii, 248 p. :  plates, ill. ;  21 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label> USD 5.50 
<br/><br/><label>Subjects--Topical Terms: </label><br/>International relations
<br/><br/><label>Dewey Class. No.: </label>327.07