Hadi, T. I. T. (1996). Langkawi: The hub of the Indonesia, Malaysia, Thailand growth triangle. Petaling Jaya, Selangor Darul Ehsan, Malaysia: Pelanduk Publications.
Trích dẫn kiểu ChicagoHadi, Tenku Idris Tenku. Langkawi: The Hub of the Indonesia, Malaysia, Thailand Growth Triangle. Petaling Jaya, Selangor Darul Ehsan, Malaysia: Pelanduk Publications, 1996.
Deismireacht MLAHadi, Tenku Idris Tenku. Langkawi: The Hub of the Indonesia, Malaysia, Thailand Growth Triangle. Petaling Jaya, Selangor Darul Ehsan, Malaysia: Pelanduk Publications, 1996.
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