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Riyanto, Slamet. (2008). 1000 Selected adjestives, adverbs, prepositions used in speaking English . Yogyakarta: Pustaka Pelajar.

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Riyanto, Slamet. 1000 Selected adjestives, adverbs, prepositions used in speaking English. Yogyakarta: Pustaka Pelajar, 2008. Text.

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Riyanto, Slamet. 1000 Selected adjestives, adverbs, prepositions used in speaking English. Yogyakarta: Pustaka Pelajar, 2008. Text.

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Riyanto, Slamet. 1000 Selected adjestives, adverbs, prepositions used in speaking English. Yogyakarta: Pustaka Pelajar, 2008. Print.