http://ir.lib.ruh.ac.lk/handle/iruor/17656 Tue, 07 Apr 2026 20:42:12 GMT 2026-04-07T20:42:12Z http://ir.lib.ruh.ac.lk/handle/iruor/4282 BOT 4032 - Microbial Ecology Department of Botany Fri, 01 Nov 2019 00:00:00 GMT http://ir.lib.ruh.ac.lk/handle/iruor/4282 2019-11-01T00:00:00Z http://ir.lib.ruh.ac.lk/handle/iruor/3818 BOT 4032 - Microbial Ecology Department of Botany Sat, 01 Sep 2018 00:00:00 GMT http://ir.lib.ruh.ac.lk/handle/iruor/3818 2018-09-01T00:00:00Z