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Buku Teks
Fuad Hassan, author
Bhratara, 1974
Buku Teks
Tawwab, Nedra Glover, author
Gramedia Pustaka Utama, 2022
Buku Teks
DuBrin, Andrew J., author
Prentice-Hall, 2000
Buku Teks
Sitanggang, Merry Hotma Ria, author
Fakultas Psikologi Universitas Indonesia, 2004
UI - Tesis (Membership)