Walker, Eric
ABC of healthy travel
BMJ, 1993
Buku Teks
Abruzzi, Adam
Work measurement, new principles and procedures
Columbia University Press, 1953
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The Rights to a healthy environmental : international law perspective
Artikel Jurnal
Mas Achmad Santosa
The right to healthy environment: international law perspective
2005
Artikel Jurnal
Public sector reform : an international perspective
Brendan C. Nolan, editor
Palgrave Macmillan, 2001
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