McNeill, Patrick
Research methods
Routledge, 1990
Buku Teks
Numerical methods
edited by P. Rozsa
North-Holland, 1980
Buku Teks
Snedecor, George W.
Statistical methods
Iowa State University Press, 1989
Buku Teks
Snedecor, George W.
Statistical methods
The Iowa State University Press, 1980
Buku Teks
Numerical methods...
Buku Teks