by H. Rahmat Rukmana $6.00
by Prof. Dr. Ir. Tri Yuwanta S.U., DEA $7.00
by A. Tresna Sastrawijaya, M.Sc $7.00
by Victor Lazarro $11.00
by Ir. Suyatno Risza $9.00
by Drs. Ary H. Gunawan $11.00
by $6.00