Warren, Sharon
Multiple sclerosis
World Health Organization, 2001
 Buku Teks SO
Tobis, Michael
Managing multiple projects
McGraw-Hill, 2002
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Zeleny, Milan, 1942-
Multiple criteria decision making
McGraw-Hill, 1982
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Dobson, Michael S.
Managing multiple projects
American Management Association, 2011
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Edmundson, Andrea
training for multiple cultures
American Society for Training & Development, 2010
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