OPEN University of Sri lanka Bandarage, Gunadya Course of study leading to the degree of bachelor of science level 4 PSU 2123: Inorganic Chemistry - Part 111, Symmetry in Molecules / by Gunadya Bandarage - Nugegoda Open University of Sri Lanka 1996 - 97 p. ISBN: 9552306264 Dewey Class. No.: 546 / OPE