No Inv.: 138539/P/Perp/14/1c
No Inv.: 354/S/Perp/96/1c
No Inv.: 3659/Perp/86/1c
No Inv.: 66020-66024/P/00/5c~90686-90689/P/Perp/04/4c~104420-104424/P/Perp/06/5c~113540,113541/P/Perp/08/2c
No Inv.: 2426-2430/P/Perp/95/5c
No Inv.: 2890-2892/P/Perp/96/3c~12141/P/Perp/98/1c
Bibliografi : hlm. 252-262
Judul asli : The 5 elements of effective thinking
No Inv.: 134708/SM/Perp/13/1c