by Ir. Sudadi Martodireso & Ir. Widada Agus Suryanto, MM
$5.00

by A. Sonny Keraf & Mikhael Dua
$7.00

by Dr. Al. Purwa Hadiwardoyo, MSF.
$3.00

by Prof. Dr. Sri Mulyani E. S
$12.00

by Azyumardi Azra
$5.00

by J. Darminta, SJ
$3.00