by Drs. Amin Widjaja Tunggal, Ak., M.B.A $11.00
by Drs. Solichin Abdul Wahab, M.A $7.00
by - $9.00
by Drs. Abdul Chaer $7.00
by Benedic Anderson $6.00
by M.Z. Lawang, Robert $7.00
by Drs. S. Abdul Wahab $7.00
by APPMI $11.00
by Moh. Saleh, Drs. $8.00