Nebraska symposium on motivation 

 - Lincoln :  University of Nebraska Press,  1954. 
<br/><br/> UKM: v.3-17 (1956-1969). Langganan tamat 
<br/><br/><label>ISSN: </label>0070-2099 
<br/><br/><label>Subjects--Personal Names: </label><br/>Motivation (Psychology)--Periodicals