edited by Janelle A. Kerlin
Emerald, 2017
eBooks
Jackson, W.A. Douglas
John Wiley & Sons, 1985
Buku Teks
Simonds, John Ormsbee
McGraw-Hill, 1961
Buku Teks
Jungherr, Andreas
Cambridge University Press, 2020
eBooks
Jones, Catherine
Chandos Publishing, 2007
Buku Teks