Pask, G. <br/><br/>
Conservation cognition and learning  a cybernetic theory and methodology 

 - Amsterdam  Elsevier  1975 
 - xi, 570p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>GENERALITIES
<br/><br/><label>Dewey Class. No.: </label>001.535  / P17