Walstad, William B.
Study guide to accompany economics
McGraw-Hill, 2002
 Buku Teks
Kingma, Bruce R.
The economics of information : a guide to economic and cost-benefit analysis for information profesionals
Libraries Unlimited, 2001
 Buku Teks
Iwan Jaya Azis, 1953-
Economics and culture
Bank Indonesia Insitute, 2019
 Artikel Jurnal
Boeke, J.H.
Economics and economic policy of dual societies: as exemplified by Indonesia
Tjeenk Willink & Zoon, 1963
 Buku Teks
Barlowe, Raleigh
Land resource economics
Prentice-Hall, 1958
 Buku Teks