Semester II http://ir.lib.ruh.ac.lk/handle/iruor/374 2026-04-07T00:07:03Z BOT 4192 - Advanced Plant Systematics http://ir.lib.ruh.ac.lk/handle/iruor/11819 BOT 4192 - Advanced Plant Systematics SC 2022-06-01T00:00:00Z BOT 4172 - Techniques in Plant Breeding http://ir.lib.ruh.ac.lk/handle/iruor/11817 BOT 4172 - Techniques in Plant Breeding SC 2022-01-01T00:00:00Z BOT 4142 - Advanced Environmental Science http://ir.lib.ruh.ac.lk/handle/iruor/11816 BOT 4142 - Advanced Environmental Science SC 2022-01-01T00:00:00Z BOT 4132 - Advanced Plant Physiology http://ir.lib.ruh.ac.lk/handle/iruor/11815 BOT 4132 - Advanced Plant Physiology SC 2022-01-01T00:00:00Z