* Touwen, Jeroen (editor) (2001) "Shipping and trade in the Java Sea region, 1870-1940 : a collection of statistics on the major Java Sea ports" ISBN 90-6718-162-5* (2008) "Java Sea a study on its economic impacts.
==References====Further reading==* Touwen, Jeroen (editor) (2001) "Shipping and trade in the Java Sea region, 1870-1940 : a collection of statistics on the major Java Sea ports" ISBN 90-6718-162-5* (2008) "Java Sea a study on its economic impacts.