http://ir.lib.ruh.ac.lk/handle/iruor/18746 CHE 1222 Sun, 10 May 2026 00:32:33 GMT 2026-05-10T00:32:33Z http://ir.lib.ruh.ac.lk/handle/iruor/9933 CHE 1222 - Physical Chemistry I Department of Chemistry Sat, 01 Jan 2022 00:00:00 GMT http://ir.lib.ruh.ac.lk/handle/iruor/9933 2022-01-01T00:00:00Z http://ir.lib.ruh.ac.lk/handle/iruor/3960 CHE 1222 - Physical Chemistry I Department of Chemistry Fri, 01 Mar 2019 00:00:00 GMT http://ir.lib.ruh.ac.lk/handle/iruor/3960 2019-03-01T00:00:00Z