Judul asli :"Economics"
No Inv.: 113098/P/Perp/08/1c~117722/P/Perp/09/2c
Bibliografi : hlm. 309-310No Inv.: 135998/SM/Perp/13/1c
Bibliografi : hlm. 129
Judul asli :"Dictionary of biology"
No Inv.: 75646-75648/S/01/3c
No Inv.: 2953-2954/P/Perp/91/2c
No Inv.: 132393/SM/perp/12/1c
No Inv.: 118362-118367/P/Perp/09/6c