by Hagen Berndt $7.00
by Dr. Theo Huijbers $11.00
by Bambang Agus Murtidjo $6.00
by H. R. Kartadisastra $6.00
by Dr. Nico Syukur Dister, OFM. $15.00
by Ir. Fauziah Muhlisah $6.00