00590nam a22001577a 4500003000800000005001700008008004100025040002100066082001700087245013700104260004300241300002800284500006800312504004100380650001100421BD-DhUL20160828143000.0160828r1976    b  a|||| m||| 00| 0 eng |  aBD-DhULcBD-DhUL  a595.752bSTU00aA study on the effect of infestation os Mustard Aphid, Lipaphis Erysimi Kaltenbach on the growth and yield of Mustrd / h[MS Thesis]  aDhaka : bUniversity Of Dhaka, c1976.  a54 p. :bill. ;c30 cm.  aThesis (MS )-- Department of Zoology, University of Dhaka,1976.  aIncludes bibliographical references.00aAphids