Study of the emission of methane from the rice fields and wetlands of Bangladesh and its inhibition by ogranometallic complexes synthesized from neem tree leaves extracts / Md. Sofiqul Islam Mandel [MPhil Thesis] Mandel, Md. Sofiqul Islam Biotechnology 665.776 MAS Thesis (MPhil )—Department of Chemistry, University of Dhaka, 1995. Includes bibliographical references. Dhaka : University of Dhaka, 1995. 1995. 1995 Text [5], 69 p. : eng