by Ir. St. Eka Adiwibawa $9.00
by Dr. Muhammad Ahmad Asyur $6.00
by A. Rahman I Doi $5.00
by Henri J. M. Nouwen $3.00
by Hagen Berndt $7.00
by Prof. DR. K.H. Didin Hafidhuddin $12.00
by Drs. Wishnubroto Widarso $5.00