by Eric A. Nordlinger $11.00
by Drs. H.M. Yusran Asmuni $6.00
by Pandji Anoraga, S.E, M.M $7.00
by Drs. O.P. Simorangkir., dkk $11.00
by Adian Husaini $12.00
by Anastasia Maria $5.00