by Benny Rachmadi $5.77
by Sugiarto, Dergibson Siagian, dkk $7.00
by Drs. Djalinus Syah $9.00
by Drs. Amin Widjaja Tunggal, Ak., M.B.A $7.00
by Freddy Rangkuti $9.00
by Binyamin Torun $6.00