000 00413nam a22001457a 4500
008 150702b xxu||||| |||| 00| 0 eng d
020 _a0840396627
050 _aQH506
_bS62
100 _astudent study guide
_916453
245 _aBSCS Green version;
_bAn ecological approach
_cstudent study guide
250 _aTeacher,s ed
260 _akendall
_bwestmark
_c1998
300 _axi,187p
_bill.
_c27cm
942 _2lcc
_cBK
999 _c8583
_d8583