Swapan Kumar,  pseud. <br/><br/>
Ādhunika kokaśāstra. 

 -  [1962] 
 - 80 p.  col. illus.  18 cm. 
<br/><br/> In Bengali. 
<br/><br/><label>LCCN: </label>sa 64004989  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sex instruction.
<br/><br/><label>LC Class. No.: </label>HQ56  / .S89