No Inv.: 80692/P/02/1c
Judul asli :"The Economic theory of cooperative"
No Inv.: 76659/S/01/1c
No Inv.: 79200/Perp/86/1c
No Inv.: 81942-81943/P/02/2c
No Inv.: 82212-82214/S/02/3c
No Inv.: 83033-83036/S/02/4c~12113/SM/Perp/09/1c
No Inv.: 80171/S/02/1c~135036/SM/Perp/13/1c
Judul asli : "Child Development"
No Inv.: 83380-83381/P/Perp/FIP/02/2c