00691nam a22001817a 4500003000800000005001700008008004100025040002100066082001600087100002300103245013300126260004200259300004000301500009900341504004100440650001200481650001600493BD-DhUL20151108115328.0151108s1998    bg ab||| m||| 00| 0 eng |  aBD-DhULcBD-DhUL  a577.64bISS1 a Islam, Md. Asadul10aSalinity changes in the Bhairab-Rupsa river and the effects of poldering on Khulna city environ /cMd. Asadul Islamh[MS Thesis]  aDhaka :bUniversity of Dhaka, c1998.  axi, 105 p. :bill., maps ;c30 cm.   aThesis (MS )--Department of Geography & Environment, University of Dhaka, Session : 1992-1993.  aIncludes bibliographical references. 0aEcology 0aEnvironment