by H. Rahmat Rukmana $6.00
by Titik F. Djafar - Siti Rahayu $6.00
by Ir. Heinz Frick $5.00
by Rumsari Hadi Sumarto & Lukas Dwiantara $7.00
by Ir. Setijo Pitojo $6.00
by Prof. Dr. Kees Bertens, MSC $7.00
by Ir. Eddy Afrianto & Ir. Evi Liviawaty $6.00