Lee, W R
Language Teaching Games and Contests
Oxford University Press, 1991
 Buku Teks
Lee, W. R.
Language teaching games and contests
Oxford University Press, 1991
 Buku Teks
Leigh, Elyssebeth
Fun and games for workplace learning
The McGraw-Hill Companies Inc., 2001
 Buku Teks
Leigh, Elyssebeth
Fun & games for workplace learning
McGraw-Hill, 2001
 Multimedia
Kirk, James J.
Training games for the learning organization
McGraww-Hill, 1997
 Buku Teks