Rocality and Parcentage Nature of work Kusum Palli Yakka Kirimeti Thirune Boalna Goda pokuna poruwa vita yawa lveli waya Rource: Data gathered during phase 3 of the Rurvey. Oi1 t- i 001 r» I oi1 c 1 as. - 5.0 -.0 16.7 -.0 0.6 - — 31 9.3 -.3 ...
U. L. Jayantha Perera, P. J. Gunawardena,
1980