Kotorbinski, Tadeusz <br/><br/>
Praxiology an introduction to the science of efficient action by  Tadeusz Kotarbinski, tr. from the polish by Olgierd Wojtasiewicz. 

 - Oxford  Pergamon Press  1965 
 - 219p. 28cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Praxcology Act  Philosophy  Psychology. 
<br/><br/><label>Dewey Class. No.: </label>159.943  / K95P