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Assa, Enar Ratriany. (2015). Strategy of learning (Cet. 1). Yogyakarta: Araska.

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Assa, Enar Ratriany. Strategy of learning. Cet. 1 Yogyakarta: Araska, 2015. Text.

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Assa, Enar Ratriany. Strategy of learning. Cet. 1 Yogyakarta: Araska, 2015. Text.

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Assa, Enar Ratriany. Strategy of learning. Cet. 1 Yogyakarta: Araska, 2015. Print.