No Inv.: 231/S/Perp/91/1c~1476/S/Perp/89/1c~1163/S/Perp/88/1c~861/S/Perp/88/1c~1527/S/Perp/89/1c~1387/S/Perp/91/1c~516/S/Perp/96/1c
No Inv.: 80581-80587/S/02/7c~104530-104534/P/Perp/06/5c
Judul asli : "Theory and Problem of College Algebra"
No Inv.: 2278-2279/BD/Perp/87/2c~944-953/P/Perp/99/10c
Judul asli : "Small and Medium Business ... "
No Inv.: 3976-3978/Perp/86/3c~602/P/Perp/97/1c
No Inv.: 4006-4007/Pb/Perp/86/2c
No Inv.: 1562-1563/BD/Perp/87/2c
No Inv.: 1826-1827/BD/Perp/87/2c~2552/S/Perp/89/1c~112727/P/Perp/08/1c
No Inv.: 1837-1840/P/Perp/95/4c~3052/P/Perp/98/1c