by - $11.00
by Vincent Gaspersz $18.00
by Yudi Hartono, dkk $6.00
by Eddy Tano, Dipl. Chem. Eng. $7.00
by Drs. Muda Markus & Lalu Hendry Yujana $32.00
by PPIM-UIN $7.00
by Prof. DR. A.P. Parlindungan, SH. $8.00
by Adiwarman Karim $12.00
by - $7.00
by $16.00
by Hara Hope $7.00
by Erica L. Panjaitan $6.00