Rashayan Bigyan /  Textual Documents 
Bora, Sidhanta and Choudhuri. 
<br/><br/> Replaced By-Ucchaya Maddhyamic Rasayan . By-K.Choudhury & S.K.Choudhury 
<br/><br/><label>Subjects--Index Terms: </label>Chemistry 
<br/><br/><label>Dewey Class. No.: </label>540  / B 651 R