by Prof. Mr. Dr. Sudargo Gautama
$6.00

by Prof. Dr. dr. Daldiyono
$16.00

by Bungaran Antonius Simanjuntak
$16.00

by Fachry Ali
$4.71

by Prof. Dr. h. Sunarto dan Dra. Ny. B. Agung Hartono
$9.00

by Tempany Deckert
$6.00