by Warisno $6.00
by Ir. H. Rahmat Rukmana $6.00
by Calvin S. Hall & Gradner Lindzey $12.00
by Edilius, S.E dan Drs. Sudarsono, S.H., M.Si $9.00
by Dr. H. Pidyarto Gunawan, O.Carm $4.00
by N. Wahyu Sulistiyana $6.00