edited by David G. Gilbert and James J. Connolly
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Buku Teks
Batten,T. R., author
Oxford University Press, 1978
Buku Teks
Ria Irwina Savitri, author
Fakultas Psikologi Universitas Indonesia, 2014
UI - Skripsi (Membership)
Levine, Joanne, author
Pearson, 2013
Buku Teks
Fahmi Ratna Juwita, author
Universitas Indonesia, 2016
UI - Tesis (Membership)