Pijl, Leendert van der, author
Gadjah Mada University Press , 1990
Buku Teks
Pijl, Leendert van der, author
Gadjah Mada University Press, 1990
Buku Teks
Suswanto Rasidi, author
Universitas Terbuka, 2003
Buku Teks
Supardiyono, author
1999
UI - Tesis (Membership)
Gates, Frank C.
McGraw-Hill , 1949
Buku Teks