Perera, K.D.C. උගෙනුමට වෙර දරන ශිෂ්යයනට පමණයි = ugenumata wera darana shishyayanata pamanai - Kalubowila: Author, 2002. - xvi,111p.; 21 cm. ISBN: 955-97742-0-4 Subjects--Topical Terms: Education Dewey Class. No.: 370.1523 / PER