Study of the reaction of carbonyl compounds containing α-Hydrogen atoms with benzaldehyde or substituted benzaldehydes and sodium sulphide / Gouranga Chandra Das [MPhil Thesis] Das, Gouranga Chandra Organic compounds 547.59 DAS Thesis (MPhil )—Department of CChemistry, University of Dhaka, Session : 1986-1987. Includes bibliographical references. Dhaka : University of Dhaka 2006. 2006. 2006 Text v, 157 p. : eng