Donatelle, Rebecca J.
Access to health
Prentice-Hall, 1988
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Sheerin, Susan
Self-access
Oxford University Press, 1989
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Donatelle, Rebecca J.
Access to health
Pearson, 2014
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Roman, Steven
Access database design and programming
O'Reilly , 1999
 Buku Teks SO
Cooperation+web access=timeliness
 Artikel Jurnal