http://ir.lib.ruh.ac.lk/handle/iruor/18766 CHE 4132 2026-05-10T00:40:40Z http://ir.lib.ruh.ac.lk/handle/iruor/12176 CHE 4132 - Quantum Chemistry and Molecular Spectroscopy Department of Chemistry 2021-04-01T00:00:00Z http://ir.lib.ruh.ac.lk/handle/iruor/3831 CHE 4132 - Quantum Chemistry and Molecular Spectroscopy Department of Chemistry 2018-09-01T00:00:00Z http://ir.lib.ruh.ac.lk/handle/iruor/1868 CHE 4132 - Quantum Chemistry and Molecular Spectroscopy Department of Chemistry 2016-07-01T00:00:00Z