by Kusnadi, dkk $6.00
by Drs. Amin Widjaja Tunggal, Ak., M.B.A $6.00
by - $12.00
by Paulus Florus $12.00
by Drs. H. Lili M. Sadeli, M.Pd & Drs. Maman Ukas $6.00
by Uken Junaedi $5.77
by Daradjadi Gondodiprojo $6.05