Hadza Min Fadhli Robby
UIII Press, 2022
Artikel Jurnal
Hawryszkiewycz, Igor Titus
Prentice-Hall, 1991
Buku Teks SO
Cochran, William G.
John Wiley & Sons, 1983
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Walizer, Michael H.
Harper & Row, 1988
Buku Teks SO
Trussell, Patricia
Nursing Resources , 1981
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