No Inv.: 306-307/P/Perp/95/2c
No Inv.: 1091-1092/P/Perp/92/2c~14764/P/Perp/94/1c~3296-3297/P/Perp/96/2c
Judul asli : "The Human Use of Human Resource"
No Inv.: 10482/P/Perp/92/1c
No Inv.: 14547/P/Perp/94/1c
No Inv.: 10835/P/Perp/92/1c
Judul asli : "Managing in Turbulent Times"
No Inv.: 2166-2170/P/Perp/95/5c