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Badan Pemeriksa Keuangan Direktorat Penelitian dan Pengembangan, 2019
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American Bar Association , 1985
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edited by Herbert Morris
Stanford University Press, 1961
Buku Teks
Beer, Lawrence Ward, 1932-
Kodansha International, 1984
Buku Teks
Brown, Ray Andrews, author
Callaghan & Company, 1955
Buku Teks