Verma, Mamta <br/><br/>
Uchchtar madhyamik star par grameen va shehari kshetra ke kala va vigyan sankay ke chhatron va adhyapkon ki paryavaran ke prati abhivartiyon ka tulnatmak adhyayan 

 - 58 p. 
<br/><br/><label>Dewey Class. No.: </label>372.357 V59U