by Untung Sukardji $20.00
by Prof. DR. Koentjaraningrat $11.00
by Abdul Mujib, Jusuf Mudzakir $9.00
by Dick Hartoko $6.00
by Veithzal Rivai $48.00
by Gunawan Widjaja $9.00
by Ben Haryo $11.00
by Pranadjaja $7.00