by Drs. Amin Widjaja Tunggal, Ak., M.B.A $6.00
by Robert H. Lauer $13.00
by - $9.00
by Prof. Drs. H.A.W. Widjaja $7.00
by Amos Perlmutter $9.00
by Victor Situmorang, S.H $6.00
by $16.00
by Prof. Drs. H. A. W. Widjaja $6.00
by Uken Junaedi $5.77