Bruk, V.
Mir Publishers, 1969
Buku Teks
Bagachwa, M.S.D.
International Development Research Center, 1991
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Artikel Jurnal
Nelson, Richard R.
American Enterprise Institute for Public Policy Research, 1984
Buku Teks
Yudha Trimuliadi Suryana
Fakultas Teknik Universitas Indonesia, 2024
UI - Tesis Membership