http://ir.lib.ruh.ac.lk/handle/iruor/18745 CHE 1212 Tue, 23 Jun 2026 02:11:30 GMT 2026-06-23T02:11:30Z http://ir.lib.ruh.ac.lk/handle/iruor/9932 CHE 1212 - Descriptive Inorganic Chemistry - I Department of Chemistry Sat, 01 Jan 2022 00:00:00 GMT http://ir.lib.ruh.ac.lk/handle/iruor/9932 2022-01-01T00:00:00Z http://ir.lib.ruh.ac.lk/handle/iruor/3958 CHE 1212 - Descriptive Inorganic Chemistry - I Department of Chemistry Fri, 01 Mar 2019 00:00:00 GMT http://ir.lib.ruh.ac.lk/handle/iruor/3958 2019-03-01T00:00:00Z