by Susmayati, B.A., dkk $6.00
by Drs. Save M. Dagun $9.00
by Cyrillus Harinowo $9.00
by Redaksi Rineka Cipta $7.00
by Ir. Mul Muyani Sutedjo $12.00
by Dra. Ninik Widiyanti $9.00