00553nam a22001577a 4500003000800000005001700008008004100025040002100066082001200087245008900099260004300188300002800231500007200259504004100331650002300372BD-DhUL20170314113357.0170314s1953    b  a|||| m||| 00| 0 eng |  aBD-DhULcBD-DhUL  a546.38200aStudies on the direct production of sodium sulphide from iron pyrites /h[MS Thesis]  aDhaka : bUniversity Of Dhaka, c1953.  a41 p. :bill. ;c29 cm.  aThesis (MS )-- Department of Chemistry, University of Dhaka,191953.  aIncludes bibliographical references.00aChemical compounds