BOTANY http://repository.ou.ac.lk/handle/94ousl/1642 Mon, 31 Aug 2026 01:36:26 GMT 2026-08-31T01:36:26Z 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