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Buku Teks
Elvina Lim Kusumo, author
Erlangga Group , 2017
Buku Teks
Vidya Dwina Paramita, author
B. First, 2017
Buku Teks
Siagian, Gloria M. U., author
Fakultas Psikologi Universitas Indonesia, 2004
UI - Tesis Membership
Britton, Lesley, author
PT Bentang Pustaka, 2017
Buku Teks