No Inv.: 285/BC/Perp/88/1c
No Inv.: 129809,129810/SM/Perp/11/2c
No Inv.: 122587/P/Perp/10/1c
No Inv.: 120843/SM/Perp/09/1c
No Inv.: 130853/SM/Perp/12/1c~135607/SM/Perp/13/1c
No Inv.: 1546-1547/BD/Perp/87/2c~1566-1567/BD/Perp/87/2c
No Inv.: 075/AF/Perp/93/1c
Judul asli : "Communication of Innovations"
No Inv.: 2634-2635/Pb/Perp/85/2c~1818/P/Perp/91/1c~3739/Perp/99/1c
Judul asli : "An Introduction to Social Planning in the Third World"