by Ir. Rabiatual Adawyah, M.P $7.00
by Dr. John Wong $9.00
by Prof. Dr. Sudarwan Danim $11.00
by Anas Sudijono $11.00
by Bachtiar Ibrahim $12.00
by Tobi Moektijono $5.00
by Habib Adjie, SH.M. HUM $5.00
by $7.00
by Hendra Sutardhio $9.00