No Inv.: 501/PS2PT/Perp/95/1c
Judul asli : "Education and Social Order"
Judul asli :"Elementary Surveying"
No Inv.: 87035-87036/P/Perp/03/2c
No Inv.: 87322/P/Perp/03/1c
No Inv.: 776-777/BD/Perp/86/2c
No Inv.: 117850/P/Perp/09/1c
Bibliografi : hlm. 287-297