Eksat Pravurti Patra Samagama <br/><br/>
Lanka jana pota: 6 year 
<label>/ by </label> Eksat Pravurti Patra Samagama 
 - Colombo  Eksat Pravurti Patra Samagama  1964 
 - 806 p.  22cm.  Charts. 
<br/><br/><label>Dewey Class. No.: </label>315.489  / E