Keller, Herbert B.
Numerical methods for two-point boundary-value problems
"Waltham, Massachusetts Blaisdell Pub., 1968",
 Buku Teks
Suryadi, 1965-
Bahasa fortran dan analisis numerik
Gunadarma, 1993
 Buku Teks SO
Casley, Dennis J.
The collection, analysis, and use of monitoring and evaluation data
The Johns Hopkins University Press,, 1992
 Buku Teks SO
Disparitas efisiensi teknis antar sub sektor dalam industri manufaktur di Indonesia,aplikasi data envelopment analysis
 Artikel Jurnal
Davis, M.H.A.
Markov models and optimization
Chapman & Hall, 1993
 Buku Teks SO