Book, kertas tulis, Kalkulator, pengisi, pulpen, kulit, sampul buku, kertas, sekolah, sampul depan dan belakang, hitam
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Public Domain
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Public Domain
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Public Domain
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Public Domain
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Public Domain
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Public Domain
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Public Domain
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Public Domain
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Public Domain
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Public Domain
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Public Domain
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Public Domain
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Public Domain
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Public Domain
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Public Domain