Lamb, George P.
Trade association law and practice, by George P. Lamb and Carrington Shields.
Little, Brown, 1971
 Buku Teks
Pimentel, George C.
Understanding chemistry/ George C. Pimentel
Holden-Day, 1971
 Buku Teks SO
Kuecken, John A.
How to make home electricity from wind,.....
 Buku Teks
Kuecken, John A.
How to make home electricity from wind,.....
 Buku Teks
Davidson, Peter
Architecture after geometry/Peter Davidson and Donald L Bates
Academic Group, 1997
 Buku Teks SO