by Penerbit OBOR $6.00
by Paulus Winarto $6.00
by - $11.00
by Dr. A. Sonny Keraf $9.00
by Ir. Juhaeni Radi $6.00
by Ust. Husni Adham Jarror $6.00
by Dr. H. Pidyarto Gunawan, O.Carm $4.00