00606nam a22002057a 4500 60306 60306 WUSLLib 170921b xxu||||| |||| 00| 0 eng d 9789554731059 Sinhala 333.91 AMA අමරසිරි, සරත් 7863 ජල අසිරිය රැකගැනීම .-මහනුවර :කර්තෘ ,2015 xii, 160p. ;21cm. Environment 5106 Water Pollution 7864 Natural Resources 812 Social Problems 807 ddc PR 0 0 ddc 0 0 SPC MAIN MAIN SLC 2017-09-21 0 333.91AMA 38159 2017-09-21 00:00:00 2017-09-21 PR 0 0 ddc 0 0 LEN MAIN MAIN LEN 2017-09-21 0 333.91AMA 38160 2017-09-21 00:00:00 2017-09-21 L 0 0 ddc 0 0 LEN MAIN MAIN LEN 2017-09-21 0 333.91AMA 38161 2017-09-21 00:00:00 2017-09-21 L 0 0 ddc 0 0 LEN MKDL MKDL LEN 2022-03-03 0 333.91 AMA 69768 2022-03-03 00:00:00 2022-03-03 L