edited by David W. Pearce and Ingo Walter
Longman, 1978
Buku Teks
Blane D. Lewis, editor; Firman Witoelar, editor
ISEAS Yusof Ishak Institute, 2021
Buku Teks
Bunn, Isabella D., author
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Buku Teks
Munson, Byron E.
College of Administrative Science , 1968
Buku Teks
edited by Reed L. Wadley
KITLV Press , 2005
Buku Teks