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Andoh, Elizabeth (2012). Washoku: Recipes from the Japanese Home Kitchen: A Cookbook.[3] Ten Speed Press. p. 136. ISBN 978-0-307-81355-8.
Curtin, Philip D. (2002) [2000]. The World and the West: The European Challenge and the Overseas Response in the Age of Empire (revised ed.).[4] Cambridge University Press. p. 159. ISBN 0-52189-054-3.
Francks, Penelope (2006). Rural Economic Development in Japan: From the Nineteenth Century to the Pacific War.[5] Routledge. p. xvii. ISBN 1-134-20786-7.
