00571 a2200157 4500 9552036569 627 DEC 13581 19996 ද කොස්තා, ශහේන් ජල ඉංජිනේරු විද්‍යාව ජල විද්‍යාව සහ ජල සැපයුම් ඉංජිනේරු විද්‍යාව කොළඹ එස්. ගොඩගේ 2000 2000 x, 286p. 22cm. ENGINEERING HYDRAULIC ENGINEERING L 41909 41909 0 0 0 0 LEN MAIN MAIN LEN 2009-01-22 0 627DEC 18296 2017-09-02 00:00:00 0.00 2016-10-31 L 0 0 0 0 LEN MAIN MAIN LEN 2009-01-22 0 627DEC 18294 2017-09-02 00:00:00 0.00 2016-10-31 L 0 0 0 0 LEN MAIN MAIN LEN 2009-01-22 0 627DEC 18295 2017-09-02 00:00:00 0.00 2016-10-31 L 0 0 ddc 0 0 LEN MKDL MKDL LEN 2010-04-23 0 627DEC 60339 2010-04-23 00:00:00 0.00 2016-10-31 L 0 0 0 0 LEN MKDL MKDL LEN 2009-08-03 3 627DEC 60338 2024-07-22 00:00:00 2024-02-19 0.00 2016-10-31 L