ආධුනිකත්වයට පිවිසිම 
 Adunikathwayata Pivisima 

 - Colombo6  Jathika Adunikathwa Mandalaya  1979 
 -  17p.;18 cm cm 
<br/><br/><label>Universal Decimal Class. No.: </label>(X)331.861