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Buku Teks
Abussoud, Hassan
[T.t.] The Ministry of Guidance [t.th.]
Buku Teks
Dore, R.P., author
Oxford University Press , 1959
Buku Teks
Masaru, Kajita
Agricultural Policy Research, 1965
Buku Teks
Departemen Penerangan RI, 1960
Buku Teks