Recreation and leisure :  Issues in an era of change. 

 - Pennsylvania :  Venture Publishing,  c 1980. 
 - xvi, 394 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Leisure-Research.<br/>Recreation-Research.
<br/><br/><label>LC Class. No.: </label>GV7  / .G66