by $7.00
by Drs. Amin Widjaja Tunggal, Ak., M.B.A $6.00
by - $12.00
by Asvi Warman Adam $4.80
by Prof. Drs. H. Soegyarto Mangkuatmodjo $9.00
by Prof. I. R. Poedjawiyatna $7.00