R. Ali Akbar
Studi perbandingan sifat isotopri planar serta mampu bentuk Cu -18 Zn hasil proses canai silang dengan canai konvensional kondisi dingin
Fakultas Teknik Universitas Indonesia, 1996
 UI - Skripsi (Membership)
Ripley, Brian D.
Spatial statistics
John Wiley & Sons, 1981
 Buku Teks
Cressie, Noel A. C.
Statistics for spatial data/ Noel A.C. Cressie
John Wiley & Sons, 1993
 Buku Teks
McClave, James T.
Statistics
Dellen Publishing, 1979
 Buku Teks
Hays, William Lee, 1926-1995
Statistics
Harcourt Brace Colege, 1994
 Buku Teks