by - $12.00
by Trubus Rahardiansah P. & Endar Pulungan $8.00
by Prof. DR. Soedjono Dirdjosisworo, SH. MBA $7.00
by Jazim Hamidi & Winahyu Erwiningsih $11.00
by Gunawan Widjaja & Kartini Mulyadi $7.00