by Dorothy Pickles $9.00
by Drs. Amin Widjaja Tunggal, Ak., M.B.A $11.00
by Susmayati, B.A., dkk $6.00
by Depdikbud $6.00
by Drs. Amin Widjaja Tunggal, Ak., M.B.A $7.00
by Dra. Roestiyah NK $6.00