Jackson, Donald A. <br/><br/>
How to establish a behavior observation system / 
Donald A. Jackson, Gabriel M. Della-Piana, Howard N. Sloane. 
 - Englewood Cliffs [E.U.A.] :  Educational Technology,  1975. 
 - 105 p. 
<br/><br/><label>ISBN: </label>0877780854 
<br/><br/><label>Encabezamiento--Tema: </label><br/>Psicología experimental