000 00557 a2200193 4500
003 ISURa
008 150529b xxu||||| |||| 00| 0 eng d
041 _aEnglish
082 _a333.7
_bENV
100 _aArudpragasam , K.D.
_eed
245 _aEnvironmental studies part II
_bthe impact of human activities level 3 BTU 1120
260 _aNugegoda
_bOpen University
300 _bill.
_c27 cm.
_a231 p.
650 _aNATURAL ENVIRONMENT
650 _aECONOMICS
700 _aBalasooriya , I.
_eed
700 _a Gunawrdena , N. J.
_eed
942 _cLN
_2ddc
999 _c38756
_d40303