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Indriani, M.I.. (2001). English pronunciation : the english speech sounds theory & practice . Jakarta: Gramedia.

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Indriani, M.I.. English pronunciation : the english speech sounds theory & practice. Jakarta: Gramedia, 2001. Text.

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Indriani, M.I.. English pronunciation : the english speech sounds theory & practice. Jakarta: Gramedia, 2001. Text.

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