Das, B.C . <br/><br/>
Higher Secondary Statistics /  Textual Documents 
B.C.Das And B.N.Mukherjee. 
 - 5Th ed / 
 - Calcutta :  U.N.Dhur & sons (P) Ltd ,  1998. 
 - 144p ;  17cm. 
<br/><br/><label>Subjects--Index Terms: </label>Statics-Mathemaics T/G-Statics-Mathemaics 
<br/><br/><label>Dewey Class. No.: </label>531.2  / D 26 Oh