No Inv.: 3721/Perp/86/1c~3552/Perp/86/1c
Judul asli : "Effective Leadership, a Self-development Manual"
No Inv.: 1214-1216/Pb/Perp/92/3c~104/Pb/Perp/92/1c~10530/P/Perp/92/1c
No Inv.: 3135-3136/P/Perp/91/2c~3475-3484/P/Perp/97/10c
No Inv.: 2060-2064/P/99/5c
No Inv.: 2972-2976/P/Perp/92/5c~11804-11808/P/Perp/94/5c~2431-2435/P/Perp/95/5c~1030/P/Perp/92/1c~103842/S/Perp/06/1c~103842/S/Perp/06/1c~114632/S/Perp/08/1c
No Inv.: 4346-4355/P/Perp/97/10c
Bibliografi : hlm. 263-265 No Inv.: 135995/SM/Perp/14/1c
No Inv.: 133119/SM/Perp/12/1c~143203-143207/P/Perp/14/5c
Bibliografi : hlm. 143-144No Inv.: 140853/Psm/Perp/14/1c