Browsing by Author "Ratnayake, M."

Now showing 1 - 2 of 2

Growth and problems of world population and Sri Lanka (in Sinhala)
(NARESA:Colombo; 45p, 2010-07-06) Ratnayake, M.
Problems in Regional Development Planning in Sri Lanka (With reference to the Hambantotoa District) (sinhala titele is needed)
Ratnayake, M.