http://repository.ou.ac.lk/handle/94ousl/1615 These collections primarily contain audio materials Mon, 31 Aug 2026 02:16:16 GMT 2026-08-31T02:16:16Z http://repository.ou.ac.lk:80/bitstream/id/507b5220-3611-4e67-8987-46ee37985c1d/ http://repository.ou.ac.lk/handle/94ousl/1615 http://repository.ou.ac.lk/handle/94ousl/1654 Plant Physiology Part 01 Senadeera, Prasad Thu, 27 Aug 2020 00:00:00 GMT http://repository.ou.ac.lk/handle/94ousl/1654 2020-08-27T00:00:00Z