by Bambang Agus Murtidjo $6.00
by Pandji Anoraga, S.E., M.M $13.00
by Dra. Moeslichatoen R., M.Pd $7.00
by Soekartawi $5.00
by Drs. CST. Kansil, S.H $9.00
by Roland Bunch $6.00