Elective courses for 3-I http://ir.lib.ruh.ac.lk/handle/iruor/6904 Thu, 09 Apr 2026 05:47:47 GMT 2026-04-09T05:47:47Z SS31202 Tools for Environmental Studies http://ir.lib.ruh.ac.lk/handle/iruor/20725 SS31202 Tools for Environmental Studies Agriculture Mon, 12 Jan 2026 00:00:00 GMT http://ir.lib.ruh.ac.lk/handle/iruor/20725 2026-01-12T00:00:00Z CS31203 Plant Tissue Culture http://ir.lib.ruh.ac.lk/handle/iruor/20670 CS31203 Plant Tissue Culture Agriculture Mon, 01 Dec 2025 00:00:00 GMT http://ir.lib.ruh.ac.lk/handle/iruor/20670 2025-12-01T00:00:00Z