by Kunarjo $9.00
by Untung Sukardji $11.00
by Randy Gage $13.00
by Prof. J. Suprapto, M.A. APU $11.00
by Drs. Amin Widjaja Tunggal, Ak., M.B.A $11.00
by Amaluddin, Mohamad $6.00