No Inv.: 1955/AF/Perp/91/1c
No Inv.: 106420/P/Perp/06/1c
No Inv.: 1958-1959/BD/Perp/87/2c~1298-1299/BD/Perp/87/2c
No Inv.: 128570/SM/Perp/10/1c~139549-139550/P/Perp/14/3c
Bibliografi : hlm.233-278No Inv.: 104816/P/Perp/13/1c
No Inv.: 80556/P/02/1c
No Inv.: 11848-11852/P/Perp/94/5c~1606-1610/P/Perp/95/5c~5894-5903/P/Perp/97/10c~11917-11921/P/Perp/98/5c
No Inv.: 129617/S/Perp/11/1c~144087/SM/Perp/14/1c
Judul asli : "Effective Leadership, a Self-development Manual"