by Henri J. M. Nouwen $4.00
by Ir. G. Djatmiko Sudarmo & Ir. S. J. Edy Purnomo $12.00
by Ir. H. Rahmat Rukmana, MBA $5.00
by I Ngurah Suryawan $12.00
by Dr. Gunarto Suhardi, SH $9.00
by Ir. H. Rahmat Rukmana, MBA., MSc. $5.00