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Buku Teks
Ellis, Janice Rider, author
J.B. Lippincott , 1992
Buku Teks
Agung Waluyo, author
2003
UI - Laporan Penelitian
Fakultas Psikologi Universitas Indonesia, 2003
UI - Tesis (Membership)
Achir Yani S. Hamid, author
UI-Press, 2006
UI - Pidato