Prakasha, Veda <br/><br/>
Operational seminar as a training technique for literacy workers :  a training document / 
Veda Prakasha. 
 - París :  New York :  UNESCO ;  UNICEF,  1982. 
 - Notes, comments... ;  100 .
<br/><br/><label>No. de Clasificación Universal Decimal: </label>37.014. 22 (100)=20 PRA No.100.