Judul asli : "Modern Production / Operations Management"
No Inv.: 10728-10732/P/Perp/97/5c
No Inv.: 9876-9880/P/Perp/92/5c~613-615/P/Perp/92/3c~2491-2492/P/Perp/98/2c
No Inv.: 122356-122360/P/Perp/10/5c~143760-143762/P/Perp/14/3c
Judul asli : "Der Dreshstrom"
No Inv.: 890/S/Perp/87/1c~1885-1886/S/Perp/91/2c
No Inv.: 89692/PSM/Perp/04/1c
No Inv.: 90081/S/Perp/04/1c~100264-100266/P/Perp/04/3c~104245-104250/P/Perp/06/5c
Bibligrafi : hlm. 70-71
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