No Inv.: 133008/PSM/Perp/12/1c
No Inv.: 115719-11520/P/Perp/09/2c
Bibliografi : hlm. 141-142 No. Inv. : 146361-146362/P/Perp/15/2c
Judul asli : "Theory and Problem Data Processing"
Judul asli : "Programming with Basic"
No Inv.: 996-1005/P/Perp/97/10c
No Inv.: 76506/S/01/1c~84210-84214/P/Perp/FSB/02/5c~86847-86850,86852/P/Perp/03/6c
No Inv.: 102200/PSM/Perp/05/1c
No Inv.: 109850/PSM/Perp/07/1c
No Inv.: 115652-115654/P/Perp/09/3c