No Inv.: 14027/P/Perp/94/1c
No Inv.: 13838/P/Perp/94/1c
No Inv.: 11315-11319/P/Perp/92/5c
No Inv.: 13625/P/Perp/94/1c
No Inv.: 1526/P/Perp/92/1c
No Inv.: 5032-5036/P/Perp/92/5c
No Inv.: 1758/P/Perp/92/1c
Judul asli : "Managerial Breakthrough, a New Concept of the Manager`s Job"
No Inv.: 13480/P/Perp/94/1c
No Inv.: 14367/P/Perp/94/1c