No Inv.: 904/S/Perp/90/1c
Judul asli : "The Price System and Resource Allocation"
No Inv.: 561-562/BD/Perp/86/2c
No Inv.: 2810/Perp/86/1c
No Inv.: 3396-3400/P/Perp/95/5c
No Inv.: 1654/S/Perp/87/1c
No Inv.: 877/S/Perp/87/1c~1510/S/Perp/88/1c
No Inv.: 756-757/BD/Perp/86/2c
No Inv.: 2732-2733/BD/Perp/87/2c
No Inv.: 572-573/BD/Perp/86/2c