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Koleksi Publik
edited by Gamini Salgado
Macmillan, 1988
Buku Teks SO
edited and with an introduction by Aldous Huxley
William Heinemann, 1934
Buku Teks SO
Moore, Harry T.
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Fakultas Ilmu Pengetahuan Budaya Universitas Indonesia, 1964
UI - Skripsi Membership