Sen, Sukomal <br/><br/>
Sarvadesiya thozhilalivarga. charithram / 
Sukomal Sen; edited by Vijayakumar G. 
 - Thiruvananthapuram :  Festo,  2012. 
<br/><br/><br/>In Malayalam 
<br/><br/><label>Subjects--Index Terms: </label>International Trade Union - History