Bibliografi : hlm. 478 - 503
Bibliografi : hlm. 337-360
No Inv.: 125415-125419/P/Perp/10/5c~143745-143749/P/Perp/14/5c
No Inv.: 134854/SM/Perp/13/1c
No Inv.: 133767,133768/PSM/Perp/13/2c~135077/SM/Perp/13/1c~137603,137604/SM/Perp/14/2c
Judul asli : The 5 elements of effective thinking
Bibliografi : hlm. 225-231No Inv.: 143097-143099/P/Perp/14/3c