Siddique, Abu Bakr <br/><br/>
DDC number building and number analysis :  a mathematical synposis / 
Abu Bakr Siddique 
 - Dacca, Bangladesh :   Abu Bakr Siddique,  1972. 
 - xiii, 66 p. ;   25 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Classification--Dewey decimal
<br/><br/><label>Dewey Class. No.: </label>025.43  / SID 1972