by Jajat Burhanudin $11.00
by - $12.00
by Drs. Muchdarsyah Sinungan $7.00
by Drs. Amin Widjaja Tunggal, Ak., M.B.A $11.00
by Sulistyo-Basuki $13.00
by Prof. Dr. Sondang P. Siagian, M.P.A $7.00
by Adnin Armas, M.A $7.00