edited bTheo Van Leeuwen, Carey Jewitt
Sage Publications, 2001
Buku Referensi
Queensland University of Technology, 1998
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Bolander, Donald O., author
Career Publishing, 1992
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edited by Fergus L.M. Craik, Timothy A. Salthouse
Lawrence Erlbaum, 1992
Buku Teks
edited by Leo M.L. Nollet, Fidel Toldra
CRC Pres, 2009
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