No Inv.: 115367/PH/Perp/08/1c~120946/PH/Perp/09/1c~128599/PH/Perp/10/1c
Judul asli : "Hearing the Voice of the Market : Competition Advantage through Creative Use of Market Information"
No Inv.: 76672/S/01/1c
No Inv.: 76437/S/01/1c
Bibliografi : hlm. 223-226
No Inv.: 134314 /SM/Perp/13/1c
Bibliografi : hlm. 177-179
Bibliografi : hlm. 178-186
Bibliografi : hlm. 93 No Inv.: 140424/Sm/Perp/14/1c
Bibliografi : hlm. 183-184