Ghosh, Jonaki B. <br/><br/>
Mathematics Laboratory Activitces: workbook for class IX/by Jonaki B. Ghosh;edited by Jonaki B. Ghosh 

 - New Delhi  Har - Hand Pub. Pvt.Ltd  2006 
 - 124p. 
<br/><br/><label>ISBN: </label>8124111774 
<br/><br/><label>Dewey Class. No.: </label>511.4  G346M