by $6.00
by Ibu Teresa $3.00
by Nurfahmi El Sha\'b $6.00
by Julius Chandra $7.00
by - $5.00
by Drs. A. Hasymi Ali $9.00
by Redaksi Rineka Cipta $7.00
by Ir. H. Rahmat Rukmana $5.00
by H. Rahmat Rukmana $5.00
by Ir. Setijo Pitojo $6.00
by Dr. Margaretha Andi Loho Lethe $20.00