by Drs. H. Abu Ahmadi $7.00
by - $18.00
by Prof. M. Nasroen $7.00
by Drs. Amin Widjaja Tunggal, Ak., M.B.A $6.00
by Ali Al-Jumlati, T. HM. Arifin $9.00
by Prof. Dr. Dendasurono P $7.00
by Ir. Sujamto $12.00