Gonzalez, Andrew B.
An overview of language issues in South-East Asia 1950-1980
Oxford University Press, 1984
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Environmental change in South-East Asia : people, politics and sustainable development
edited by Michael J.G. Parnwell and Raymond L. Bryant
Routledge, 1996
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Beard, Adrian
Language change
Routledge, 2004
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Hewett, Robert B.
Political change and the economic future of East Asia compited and edited by Robert B. Hewett
Honolulu, Hawaii Pacific Forum c.1981,
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Cooper, Robert L.
Language planning and social change
Cambridge University Press, 1989
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