Wasserman, Larry, author
Springer, 2010
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Ott, Lyman, author
Duxbury Press, 1993
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Taylor, John Keenan
Lewis Publishers, 1990
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Carisa Putri Salsabila Purnamasari, author
Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Indonesia, 2022
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Sigel, Andrew F., author
John Wiley & Sons, 1996
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