by - $9.00
by DR. Iskandar Wiryokusumo $7.00
by Prof. DR. Taliziduhu Ndraha $9.00
by Dr. Sirajuddin Zar $6.00
by C. Rollin Niswonger $12.00
by Moh. Taufik Makarao, S.H., M.H $11.00