000 00306nam a22001217a 4500
005 20251014135805.0
082 _a362.5425309124
100 _aUNESCO
245 _aImpact of human activities on the organic productivity of semi.. India
260 _aNew Delhi
_bUNESCO
_c1999
300 _a25p.
942 _cBK
999 _c51563
_d51563