Hattie, John <br/><br/>
Visable learning :  a synthesis of over 800 meta-analyses relating to achevement / 
 Visable learning :  -- a synthesis of over 800 meta-analyses relating to achievement -- the times educational supplement  "Reveals teaching's Holy Grail" 
John A. C. Hattie. 
 - London:   New York  Routledge,   [2009].  
 - ix, 378 p. :  ill., tables ;  25 cm. 
<br/><br/>Includes bibliographical references (p. [301]-374). Includes index (p. [375]-378). 
<br/><br/><label>ISBN: </label>9780415476188 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Teaching<br/>Teachers<br/>Μάθηση<br/>Εκπαιδευτικοί--Επιμόρφωση<br/>Μαθησιακές ικανότητες<br/>Learning
<br/><br/><label>Dewey Class. No.: </label>370.1523