OPEN University of Sri Lanka Organic chemistry: conjugated systems and chemistry of carbonyl compounds, a course study leading to the degree of bachelor of science level 4 CHU 2221 / [by] The Open University of Sri Lanka - Nugegoda The Open University of Sri Lanka 1997 - 191 p. ISBN: 9552306655 Subjects--Topical Terms: Organic chemistry Dewey Class. No.: 547 / OPE