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040 _aBD-DhUL
_cBD-DhUL
082 _a631.4
_bISS
100 1 _aIslam, Md. Ashraful
245 1 0 _aStudies of some trace elements in Bangladesh agroecosystem /
_c Md. Ashraful Islam
_h[PhD Thesis]
260 _aDhaka :
_bUniversity of Dhaka,
_c2000.
300 _a[20], 194 p. :
_bill. ;
_c30 cm.
500 _aThesis (PhD )--Department of Chemistry, University of Dhaka, 2000.
504 _aIncludes bibliographical references.
650 0 _aSoils
942 _2ddc
_cREF
999 _c43535
_d43535