by Dr. Ir. Kemas Ali Hanafiah, M.S., dkk $11.00
by Bambang Agus Murtidjo $6.00
by Cahyo Wahyudi dkk $9.00
by Samuel P. Huntington $9.00
by $18.00
by Ir. R. Bambang Soelarso $6.00
by - $5.00