Jayatissa, R.L.N.
"Api vavamu - rata nagama" desiya ahara nispadanaya diri ganveme jatika meheuma - Colombo HARTI 2014 - xxiv, 191 p.- - Research report; 60 .
9789556121766
"Api vavamu - rata nagama" desiya ahara nispadanaya diri ganveme jatika meheuma - Colombo HARTI 2014 - xxiv, 191 p.- - Research report; 60 .
9789556121766