Marcus Tukan
Seaport dimensional analysis towards economic growth in archipelagic regions
Faculty of Engineering, Universitas Indonesia, 2015
 Artikel Jurnal
Snorrason, Snorri Thomas
Asymmetric economic integration: size characteristics of economies, trade costs and welfare
Springer, 2012
 eBooks
Ratzan, Lee
Understanding information systems: what they do and why we need them
American Library Association, 2004
 Buku Teks SO
Ratzan, Lee
Understanding information systems: what they do and why we need them
American Library Association, 2004
 eBooks
Waterhouse, Debra
Why Women Need Chocolate: Proof that a little of what you fancy realy does you good
Vermilion, 1995
 Buku Teks SO