Roychoudhury, H P . <br/><br/>
The New Chemistry (For Class X11) /  Textual Documents 
H P Roychoudhury. 
 - Ist edn / 
 - Gauhati :  Kitab Ghar ,  1998. 
 - 269p. ;  22cm.. 
<br/><br/><label>Subjects--Index Terms: </label>Chemistry G-Chemistry 
<br/><br/><label>Dewey Class. No.: </label>540  / R 13 N