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Santrock,. (). Life-span development (Edisi ke-8). : McGraw Hill Higher Education.

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Santrock,. Life-span development. Edisi ke-8 : McGraw Hill Higher Education, . Text.

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Santrock,. Life-span development. Edisi ke-8 : McGraw Hill Higher Education, . Text.

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Santrock,. Life-span development. Edisi ke-8 : McGraw Hill Higher Education, . Print.