Disparitas efisiensi teknis antar sub sektor dalam industri manufaktur di Indonesia,aplikasi data envelopment analysis
 Artikel Jurnal
Dautray, Robert
Mathematical analysis and numerical methods for science and technology vol. I/Robert Dautray, Jacques-Louis Lion
Springer-Verlag, 1990"
 Buku Teks SO
Nainggolan, Imelda Novita
Koherensi tematis dalam tiga jenis wacana
Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 1998
 UI - Skripsi Membership
Fundamentals of exploratory analysis of variance / edited by David C. Hoaglin, Frederick Mosteller, John W. Tukey
John Wiley & Sons, 1991
 Buku Teks
Casterline, John B.
The collection and analysis of community data : WFS seminar on collection and analysis of data on community and institutional factors,20-23 June 1983
International Statistical Institute, 1985
 Buku Teks