No Inv.: 93/S/Perp/95/1c
No Inv.: 2808-2809/BD/Perp/87/2c~224-225/S/Perp/92/2c~88249/P/Perp/04/1c
No Inv.: 9055-9059/P/Perp/97/5c~139710-139714/P/Perp/14/5c
No Inv.: 3522-3530/P/Perp/99/9c
Judul asli : "Business Research Methods"
No Inv.: 31463,31464,31466,31467/P/Perp/10/5c
No Inv.: 3145-3149/P/99/5c
No Inv.: 64180-64189/P/00/10c
No Inv.: 67583-67588/P/00/6c~4821/P/00/1c
No Inv.: 4812,4813,4815/S/00/3c~88969-88970/P/Perp/04/2c