Freund, John E.
Statistics : a first course
Prentice-Hall, 1981
Buku Teks SO
Berenson, Mark L.
Applied statistics a first course
Prentice-Hall, 1988
Buku Teks SO
Sanders, Donald H.
Statistics : a first course
McGraw-Hill , 2000
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Sanders, Donald H.
Statistics : a first course
McGraw-Hill, 1995
Buku Teks SO
Freund, John E.
Business statistics: a first course
Prentice-Hall, 1974
Buku Teks SO