00513 a2200169 4500 333.91317 ARI 19181 29480 Ariyabandu, R.De.S. Seasonal report 1983/84 maha season Colombo Agrarian Research and Training Institute 1987 1987 v,28p. 29cm Gal Oya water management research project Economics of land and energy Water for irrigations Other natural resources L 46953 46953 0 0 0 0 LEN MKDL MKDL LEN 2009-07-03 0 333.91317ARI 58526 2009-07-03 00:00:00 0.00 2016-10-31 L