00407nam a22001577a 4500015001000000020002200010041000600032080002500038100004400063245003600107260005100143300001000194365001500204650002100219852000900240  a08739  a978-955-656-197-5  a2  a891.48bඒකනා  aඒකනායක ආර්.එස්.  aසිටුවර පුවත  aSooriya publisherbColombo 10, Sri Lankac2023  a263p.  bRs 1450.00  aOther literature  a18-4