Year 1- Semester I http://ir.lib.ruh.ac.lk/handle/iruor/6627 Thu, 09 Apr 2026 02:12:42 GMT 2026-04-09T02:12:42Z BL12201 Entomology http://ir.lib.ruh.ac.lk/handle/iruor/19891 BL12201 Entomology Agriculture Tue, 22 Jul 2025 00:00:00 GMT http://ir.lib.ruh.ac.lk/handle/iruor/19891 2025-07-22T00:00:00Z