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Longman Singapore Publishers , 1990
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Linda Purnamasari, author
Program Pascasarjana Universitas Indonesia, 2003
UI - Tesis (Membership)
Aulia Rachmah Putri, author
2015
UI - Skripsi (Membership)
Mahliani Devinta Saputri, author
Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 2013
UI - Skripsi (Membership)