by $12.00
by Drs. Amin Widjaja Tunggal, Ak., M.B.A $6.00
by Amaluddin, Mohamad $6.00
by FMIPA Universitas Indonesia $6.00
by Tb. Ace Hasan syadzily $12.00
by Gordon, Gibson G. dan Paul Skett $7.00
by M. Sholehuddin $11.00
by Suhardjo, dkk $6.00
by Grant Donovan, Jane $6.00
by Ir. Dudung Abdul Muslim $6.00
by Hilman Hariwijaya $6.00
by - $12.00