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Sage Publications, 2004
Buku Teks
by Rob Herbert, Gro Jamtvedt, Judy Mead, and Kare Birger Hagen
Elsevier, 2005
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Pfund, Robert, author
Elsevier, 2005
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Elvira Primananda Putri, author
Fakultas Ilmu Keperawatan Universitas Indonesia, 2021
UI - Tugas Akhir
Robinson, Lois
Harper & Row , 1967
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