by Drs. Amin Widjaja Tunggal, Ak., M.B.A $9.00
by Ir. M. Lies Suprapti $5.00
by $4.00
by C.M. Lingga Purnama, MM. $9.00
by Drs. Amin Widjaja Tunggal, Ak., M.B.A $7.00
by Nunung Marlina Djarijah & Ir. Abbas Siregar Djarijah $6.00