Ghosh, Ramkrishna <br/><br/>
ব্যবসায়িক গণিত ও রাশি বিজ্ঞান  
Ramkrishna Ghosh and Suranjan Saha 
 - 4th ed. 
 - Kolkata  New central book  1998 
 - xi, 579p. 
<br/><br/><label>ISBN: </label>81-7381-167-9  Rs.125 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Buisness statistical mathematics<br/>Economics
<br/><br/><label>Dewey Class. No.: </label>519.5  / GHO