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Stephen Chia, Barbara Watson Andaya, editor
Department of National Heritage, Ministry of Information, Communications and Culture, Malaysia, 2011
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edited by P.A. Gnadt, J.S. Lawler
Prentice-Hall, 1990
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Milton Norman Dejadena Medina
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Artikel Jurnal
World Express Mapping Sdn. Bhd, [Date of publication not identified]
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