Gopgoi,J.K. <br/><br/>
Prathamik Parihankhya Vigyan   

 - 1st /   1989. 
 - Dibrugarh:  Students Emporium.  1989. 
 - 437p. 
<br/><br/><label>Subjects--Personal Names: </label><br/>Mathematics, Statistics. 
<br/><br/><label>Dewey Class. No.: </label>310