by Siti Rahayu - Titiek F. Djaafar-Wiryatmi $5.00
by Petra Widmer & Heinz Frick $5.00
by Komlit KWI $3.00
by H. Rahmat Rukmana $6.00
by Ir. Ari Wijayani Purwanto $9.00
by Ir. Heinz Frick $6.00