Criddle, W.J.
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Buku Referensi
Leong, Carol L. H.
American Library Association, 1989
Buku Referensi
edited by Simon P. Anderson, Joel Waldfogel, David Strömberg
Elsevier, 2016
Buku Referensi
editor, K.H.J. Buschow
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Buku Referensi
edited by Margalith Galun
CRC Press, 1988
Buku Referensi