Pengambilan keputusan secara kuantitatif / Richard I.Levin...[et al.]; penerjemah, Nartanto
RajaGrafindo Persada, 1993
Buku Teks
Understanding engineering design : context, theory and practice / Richard Birmingham...[et al.]
Prentice-Hall, 1997
Buku Teks
Student companion to accompany : biochemistry / Richard I. Gumport ...[et al]
W.H. Freeman and Company, 2002
Buku Teks
International capital markets: developments and prospects, 1983 / Richard Williams...[et al.]
International Monetary Fund , 1983
Buku Teks
Miller, Richard I.
The assessment of college performence / Richard I. Miller
Jossey-Bass Publishers, 1980
Buku Teks