Rakkhit-Ray, Bhupendrakishore <br/><br/>
বিজ্ঞানীর চিঠি 
/Bhupendrakishore Rakkhit-Ray and Jyotishchandra Joyardar 
 - [s.l.]  [s.n.]  ১৩৫৮ 
 - 366p. 
<br/><br/><label>ISBN: </label> Rs.8 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science
<br/><br/><label>Dewey Class. No.: </label>500  / RAK