by Drs. Amin Wijaja Tunggal, M.B.A $7.00
by Prof. DR. Made Pidarta $11.00
by $6.00
by Drs. Harry Waluya $9.00
by Drs. Slameto $7.00
by Prof. Dr. Sudarwan Danim $9.00
by M. Yahya Harahap, S.H. $28.00