Hall, Gene E. <br/><br/>
Competency-based education :  a process for the improvement of education / 
Gene E. Hall, Howard L. Jones. 
 - Englewood Cliffs, E.U.A. :  Prentice-Hall,  c1976. 
 - 375 p. :  il. 
<br/><br/><label>ISBN: </label>0131548646 
<br/><br/><label>Encabezamiento--Tema: </label><br/>Maestros en servicio, Formación de