2nd Year http://www.digital.lib.esn.ac.lk//handle/123456789/4349 2026-04-21T14:18:15Z 2026-04-21T14:18:15Z CH 205- Boron Chemistry and Silicates (Proper and Repeat) Faculty of Science http://www.digital.lib.esn.ac.lk//handle/123456789/11318 2025-09-07T21:43:39Z 2012-05-01T00:00:00Z CH 205- Boron Chemistry and Silicates (Proper and Repeat) Faculty of Science 2012-05-01T00:00:00Z CH 204- Reaction Mechanism And Aromaticity (Proper And Repeat) Faculty of Science http://www.digital.lib.esn.ac.lk//handle/123456789/11317 2025-09-07T21:43:38Z 2013-05-01T00:00:00Z CH 204- Reaction Mechanism And Aromaticity (Proper And Repeat) Faculty of Science 2013-05-01T00:00:00Z CH 204- Reaction Mechanism And Aromaticity (Repeat) Faculty of Science http://www.digital.lib.esn.ac.lk//handle/123456789/11316 2025-09-07T21:43:37Z 2016-12-01T00:00:00Z CH 204- Reaction Mechanism And Aromaticity (Repeat) Faculty of Science 2016-12-01T00:00:00Z CH 204- Reaction Mechanism And Aromaticity Faculty of Science http://www.digital.lib.esn.ac.lk//handle/123456789/11315 2025-09-07T21:43:37Z 2017-12-01T00:00:00Z CH 204- Reaction Mechanism And Aromaticity Faculty of Science 2017-12-01T00:00:00Z