Judul asli : "Effective Speaking"
No Inv.: 4343-4345/P/Perp/95/3c~3393-3413/P/Perp/99/20c
No Inv.: 2326-2330/P/Perp/95/5c
No Inv.: 86437-86438/S/Perp/05/2c~135416/SM/Perp/13/1c
No Inv.: 104145-104149/P/Perp/06/5c
No Inv.: 108292-108293/S/Perp/06/2c~109943/S/Perp/07/1c~120824/SM/Perp/09/1c~129315/SM/Perp/11/1c~129137/SM/Perp/11/1c
No Inv.: 108346-108347/S/Perp/06/2c~121193/PH/Perp/09/1c~120954/PH/Perp/09/1c
No Inv.: 110003/PSM/Perp/07/1c~110688-110692/P/Perp/07/5c~117226-117228/P/Perp/09/3c
No Inv.: 109971/PSM/Perp/07/1c~112139-112143/P/Perp/08/5c~116124-116126/P/Perp/09/3c~126045-126049/P/Perp/10/5c~135723/SM/Perp/13/1c
No Inv.: 110496-110500/P/Perp/07/5c