No Inv.: 5839/Perp/86/1c
No Inv.: 963-969/Perp/81/7c
No Inv.: 3317-3327/S/Perp/91/10c
No Inv.: 3975-3984/S/Perp/91/10c
No Inv.: 1340-1341/BD/Perp/86/2c
Judul asli : "Meeting, Conferences and Discussions"
Judul asli : "The Human Side of Enterprise"
No Inv.: 4148/S/Perp/91/1c