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Roper, Nancy. (). Prinsip Prinsip Keperawatan . Yogyakarta: yayasan Essentia Medica.

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Roper, Nancy. Prinsip Prinsip Keperawatan. Yogyakarta: yayasan Essentia Medica, . Text.

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Roper, Nancy. Prinsip Prinsip Keperawatan. Yogyakarta: yayasan Essentia Medica, . Text.

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Roper, Nancy. Prinsip Prinsip Keperawatan. Yogyakarta: yayasan Essentia Medica, . Print.