BOTANY http://repository.ou.ac.lk/handle/94ousl/1642 Sun, 20 Sep 2026 13:57:45 GMT 2026-09-20T13:57:45Z Plant Physiology Part 01 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