2nd Year http://www.digital.lib.esn.ac.lk//handle/123456789/4349 Tue, 21 Apr 2026 17:04:37 GMT 2026-04-21T17:04:37Z CH 205- Boron Chemistry and Silicates (Proper and Repeat) http://www.digital.lib.esn.ac.lk//handle/123456789/11318 CH 205- Boron Chemistry and Silicates (Proper and Repeat) Faculty of Science Tue, 01 May 2012 00:00:00 GMT http://www.digital.lib.esn.ac.lk//handle/123456789/11318 2012-05-01T00:00:00Z CH 204- Reaction Mechanism And Aromaticity (Proper And Repeat) http://www.digital.lib.esn.ac.lk//handle/123456789/11317 CH 204- Reaction Mechanism And Aromaticity (Proper And Repeat) Faculty of Science Wed, 01 May 2013 00:00:00 GMT http://www.digital.lib.esn.ac.lk//handle/123456789/11317 2013-05-01T00:00:00Z CH 204- Reaction Mechanism And Aromaticity (Repeat) http://www.digital.lib.esn.ac.lk//handle/123456789/11316 CH 204- Reaction Mechanism And Aromaticity (Repeat) Faculty of Science Thu, 01 Dec 2016 00:00:00 GMT http://www.digital.lib.esn.ac.lk//handle/123456789/11316 2016-12-01T00:00:00Z CH 204- Reaction Mechanism And Aromaticity http://www.digital.lib.esn.ac.lk//handle/123456789/11315 CH 204- Reaction Mechanism And Aromaticity Faculty of Science Fri, 01 Dec 2017 00:00:00 GMT http://www.digital.lib.esn.ac.lk//handle/123456789/11315 2017-12-01T00:00:00Z