Marks, James Robert <br/><br/>
Handbook of educational supervision :  a guide for the practitioner / 
James Robert Marks, Emery Stoops, Joyce King-Stoops. 
 - Boston (E.U.A.) :  Allyn and Bacon,  1978. 
 - xvi, 699 p. 
<br/><br/><label>ISBN: </label>020506020X 
<br/><br/><label>Encabezamiento--Tema: </label><br/>Supervisión escolar