by Drs. Amin Widjaja Tunggal, Ak., M.B.A $6.00
by V. Lestari $5.00
by - $6.00
by Herris B. Simandjuntak $11.00
by Julius R. Latumaerissa, S.E., M.M $9.00
by Joko Pitono $7.00