Geunes, Joseph, author
[Springer, ], 2012
eBooks
Gholamreza Bodaghi, author
Taylor and Francis, 2018
Artikel Jurnal
Burrows III, Robert P., author
[American Management Association, ], 2012
eBooks
Williams, Peter
UNESCO, 1979
Buku Teks
F. Robert Jacobs ... [and others]
McGraw-Hill, 2011
Buku Teks