Burstein, Leigh  . <br/><br/>
Collecting evaluation data : problems and solutions /  
by Leigh Burstein,Howard E.Freeman,Peter H.Rossi. 
 - London :   sage publications ,   1985. 
 - 318p. :   pictures,tables, ;   22cm .  
<br/><br/>Includes index 
<br/><br/><label>ISBN: </label> NULL (Hb) 
<br/><br/><label>Subjects--Index Terms: </label>EVALUATION RESEARCH 
<br/><br/><label>Dewey Class. No.: </label>361.61  / BUR/C