by Drs. Abdul Chaer $7.00
by Vincent Gaspersz $9.00
by Drs. Slamet Santoso $6.00
by $11.00
by Prof. Drs. S. Pamudji, M.P.A $9.00
by Drs. Amin Widjaja Tunggal, Ak., M.B.A $6.00