Dyah Eko Hapsari, author
UB Press, 2017
Buku Teks
Christine S.T. Kansil, author
Pradnya Paramita, 1994
Buku Teks
Swales, John M., author
Cambridge University Press , 1990
Buku Teks
Renny Retnowatie, author
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UI - Tesis (Membership)
Ami Luthfiyah, author
Fakultas Psikologi Universitas Indonesia, 2022
UI - Skripsi (Membership)