Stigler, Stephen M., author
Harvard University Press, 2019
Buku Teks
Shah, Idries
Octagon Press, 1976
Buku Teks
Gibran, Kahlil, 1883-1931, author
Narasi, 2006
Buku Teks
Booth, S. James, author
Jones & Bartlett Learning, 2010
Buku Teks
Rosile, Grace Ann, author
Emerald, 2016
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