by M.A.W. Brouwer $11.00
by Bahtiar Effendy Dkk $11.53
by Drs. Amin Widjaja Tunggal, Ak., M.B.A $11.00
by Drs. M. Daryono., dkk $9.00
by Drs. Abas Kartadinata $11.00
by Drs. Hartono $7.00