Judul asli : "Work for Organic Synthesis"
No Inv.: 494/AF/Perp/91/1c
No Inv.: 10561-10565/P/Perp/92/5c
No Inv.: 123/AF/Perp/89/1c
Judul asli : "Organization and Management : Theory and Practice"
No Inv.: 288/Perp/89/1c
No Inv.: 2142/S/Perp/88/1c~324/S/Perp/88/1c~811-812/S/Perp/88/2c
No Inv.: 1471-1472/BD/Perp/87/2c~6062/AF/Perp/96/1c
No Inv.: 2099/S/Perp/89/1c
Judul asli : "Don`t Do Delegate"