by Robert K. Yin $7.00
by Hoogendoom, J. $6.00
by Oetoet Wibowo $5.00
by Alex Wipperfurth $12.00
by Prof. Dr. J. Winardi, SE $11.00
by Freddy Rangkuti $11.00
by Harsono W $0.00
by Drs. Daryanto $6.00
by Prof. Dr. Sudarwan Danim $11.00
by Ir. Bambang Cahyono $6.00
by Abu Bakar Ba\'asyir $11.00
by $11.00