Departemen Penerangan RI, [date of publication not identified]
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Beirut Political Studies and Public Administration [t.th.]
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Amsterdam : W. Versluys
Majalah, Jurnal, Buletin
Jakarta : Yayasan Harapan Kita
Majalah, Jurnal, Buletin
Bro, Margueritte Harmon
New York Harper & Brothers 1954
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