Daniel Baskara Putra
2016
UI - Tugas Akhir
Jeong, Kyong Choo
Bhuana Sastra, 2022
Buku Teks
Sandys-Winsch, Godfrey
Shaw & Sons, 1993
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Davison, Frank Dalby, 1983-1970
Angus and Robertson, 1962
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Gladwell, Malcolm, 1963-
Brown and Co, 2009
Buku Teks