Anxiety, learning and instruction / 
Joan E. Sieber /et al./ 
 - Hillsdale, N.J.   John Wiley and Sons   1977. 
 - IX, 262 p.   23 cm. 
<br/><br/>Ind 
<br/><br/><label>ISBN: </label>0-470-99299-9 
<br/><br/><label>LC Class. No.: </label>LB1051  / .S53 1977