by Drs. Amin Widjaja Tunggal, Ak., M.B.A $7.00
by Prof. Dr. H. Jalaluddin $7.00
by - $16.00
by Drs. Firman B. Aji dan Drs. Martin Sirait $9.00
by Elmi, Bachrul $7.00
by Giddens, Anthony $7.00