by WK $11.00
by Dripa Sjabana $7.00
by Drs. Daryanto $7.00
by WK $12.00
by American Asociation of State Highway and Transportation Officials $9.00
by Cochran, William G $9.00
by Dr. Nurjannah Ismail $11.00
by Bambang Agus Murtidjo $7.00
by Aziz Alimul $9.00
by Thompson Susa $12.00
by Stephanie Zen $7.00