How and why of metric weight and measures / 
Directorate of Public Relations, Government of Delhi 
 - Delhi :  Directorate of Public Relations, Government of Delhi ,  [n.d] 
 - ii, 22 p. ;  18 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Weight and measures--India--Delhi
<br/><br/><label>Dewey Class. No.: </label>389.152