Jackson, Donald A. <br/><br/>
How to establish a behavior observation system 
By Donald A. Jackson, Gabriel M. Della-Piana and Howard N. Sloane, Jr. 
 - Englewood Cliffs, N.J.  Educational Technology Publications  1975 
 - ix, 105 p. : ill. ; 28 cm. 
<br/><br/>Bibliography: p. 89-90. 
<br/><br/><label>ISBN: </label>0877780854 
<br/><br/><label>LCCN: </label>75-020405 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Psychology, Experimental