Judul asli : "Elements of Regional Economics"
No Inv.: 294/AF/Perp/94/1c
No Inv.: 1317/P/Perp/92/1c
No Inv.: 623/AF/Perp/88/1c
No Inv.: 541/AF/Perp/91/1c
No Inv.: 1024/P/Perp/95/1c
No Inv.: 804-805/P/Perp/94/2c
No Inv.: 13200/P/Perp/94/1c~2851-2855/P/Perp/95/5c~102/S/Perp/96/1c
No Inv.: 1156/P/Perp/95/1c
No Inv.: 127-128/P/Perp/95/2c