Lenning, Oscar T. <br/><br/>
Student retention strategies / 
Oscar T. Lenning, Ken Sauer, Philip E. Beal. 
 - [S.l.] :  American Association for Higher Education,  1980. 
 - 58 p. 
 - Higher education research report ;  8 .
<br/><br/><label>Encabezamiento--Tema: </label><br/>Memoria<br/>Psicología del aprendizaje