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Prima Publishing, 1989
Buku Teks
A. Aziz Alimul Hidayat, author
Direktorat Jenderal Pendidikan Tinggi, 2004
Buku Teks
Monica Christie, author
Fakultas Psikologi Universitas Indonesia, 2017
UI - Skripsi (Membership)
Weston, Denise Chapman
G.P. Putnam's Sons, 1996
Buku Teks
RR Mindo Poetri Permata, author
2014
UI - Skripsi (Membership)