Judul asli : "Meeting People is Fun"
No Inv.: 118851-118853/P/Perp/09/3c
Judul asli : "Sampling Techniques"
No Inv.: 11580-11584/Pb/Perp/93/5c~5117-5121/P/Perp/92/4c
No Inv.: 74800/P/01/1c
No Inv.: 110743-110747/P/Perp/07/5c~120203-120205/P/Perp/09/3c
No Inv.: 109392/S/Perp/07/1c~110654-110658/P/Perp/07/5c
No Inv.: 121372-121376/P/Perp/09/5c