Indonesia Institute Of Sciences (LIPI), 1975
Buku Teks
Harsja W. Bachtiar, 1934-, author
[publisher not identified], [date of publication not identified]
Buku Teks
[T.t.] [t.p.] [t.th.]
UI - Makalah dan Kertas Kerja
Bartholomew, David J., author
John Wiley and Sons, 1981
Buku Teks
Boulding, Kenneth E. (Kenneth Ewart), 1910-1993, author
Fefer and Simons , 1966
Buku Teks