Mather, L. C. (Leonard Charles)
Waterlow Limited, 1972
Buku Teks
Holden, J. Milnes
ELBS, 1993
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Sunu Widi Purwoko
CV Media Luhur Sentosa, 2024
Buku Teks
Mather, L. C. (Leonard Charles)
Waterlow & Sons Limited, 1972
Buku Teks
Lary, Hal B.
National Beureau of Economic, 1963
Buku Teks