Lado, Robert,  1915-, <br/><br/>
Language teaching :  a scientific approach /  [print] 
Robert Lado. 
 - New York :  McGraw-Hill,  (c)1964. 
 - xiv, 239 pages :  illustrations ;  23 cm. 
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<br/><br/><label>LCCN: </label>63021002 
<br/><br/><label>LC Class. No.: </label>P51.L156.L364 1964 P51