No Inv.: 79825/S/02/1c
No Inv.: 107-108/BD/Perp/86/2c
Judul asli : "Persuasive Speaking"
Judul asli : "Effective Speaking"
No Inv.: 1377/P/Perp/95/1c~13615/P/Perp/94/1c
No Inv.: 46/P/99/1c~170-171/S/99/2c~115015/SM/Perp/08/1c
No Inv.: 87013-87014/P/Perp/03/2c
No Inv.: 110741,110742/P/Perp/07/2c