Campbell, Donald Thomas  1916- <br/><br/>
Experimental and quasi-experimental designs for research / 
Donald T. Campbell, Julian C. Stanley. 
 - Belmont  Wadsworth Publishing  1963 
 - 84 p. 
<br/><br/> Reprinted from Handbook of research on teaching 
<br/><br/> Metodología de la investigación y de la intervención geográfica 
<br/><br/><label>ISBN: </label>9780395307878 
<br/><br/><label>Subjects--Topical Terms: </label><br/>DISEÑO DE EXPERIMENTOS
<br/><br/><label>Subjects--Index Terms: </label>OB.GEOGRAFIA 
<br/><br/><label>Index Terms--Curriculum Objective: </label><br/>Garrido, Marcelo<br/>Rivera, Antonio
<br/><br/><label>Dewey Class. No.: </label>003  / C187