Judul asli : "Kosten en Kostprijs"
Judul asli : "System Analysis for Effective Administration"
No Inv.: 2447-2448/Perp/85/2c
No Inv.: 313/S/Perp/91/1c~2426/P/Perp/89/1c~6951-6960/P/Perp/97/10c~372-376/P/Perp/98/5c~75292,75294-75296/01/4C~89279/S/Perp/04/1c
No Inv.: 2382-2386/Perp/85/5c
No Inv.: 630/S/Perp/89/1c~3119-3128/P/Perp/98/10c~136253/SM/Perp/13/1c
No Inv.: 8212-8216/P/Perp/92/5c~2977-2978/P/Perp/91/2c
No Inv.: 948-949/BD/Perp/86/2c
No Inv.: 2063-2065/Perp/85/3c~1799-2780/P/Perp/91/2c
No Inv.: 1302-1305/P/Perp/94/4c