No Inv.: 3621-3625/P/Perp/92/5c
No Inv.: 3587/P/Perp/91/1c~13584/P/Perp/94/1c
No Inv.: 606/P/Perp/94/1c
No Inv.: 2474-2481/P/Perp/96/8c~114845/PH/Perp/08/1c~115419/SM/Perp/08/1c
No Inv.: 2214-2223/P/Perp/96/10c
Judul asli : "Preparing for the Twenty-first Century"
No Inv.: 2240-2244/P/99/5c
Bibliografi : hlm. 223-232No Inv.: 135941 /SM/Perp/13/1c
No Inv.: 31-40/P/Perp/97/10c