Tracy, Brian
Time power
Amacom, 2004
Buku Teks
Mancini, Marc
Time management
McGraw-Hill, 2003
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Cultures and time
The UNESCO Press, 1976
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Bittel, Lester Robert
Right on time: the complete guide for time pressured managers
McGraw-Hill, 1991
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Augustynek, Zdzislaw
Time: past, present, future
Kluwer Academic, 1989
Buku Teks