000 00431pam a2200157a 44500
008 160408b1978 xxu||||| |||| 00| 0 eng d
082 _a510
_bOp2m
100 _a
110 _aThe open university
245 _aMathematics: A foundation course
260 _aMilton Keynes
_bThe Open University Press
_c1978
300 _a59p.
500 _aBlock V: Mathematical Modeling
501 _aUnit 3 : Sampling
997 _aA71031 C
999 _c311287
_d311287