by dr. Endang Lanywati $5.00
by A. Setyawan, SJ. $7.00
by Latifah Ibrahim Khadar $11.00
by Thomas A. N. S $6.00
by Andi Mappiare, AT $7.00
by Ir. Abbas Siregar Djarijah & Ir. Harsono Puspowardoyo $6.00