by Ali Al-Jumlati, T. HM. Arifin $9.00
by Ir. H. Rahmat Rukmana, MBA., MSc. $5.00
by Ir. Suprio Guntoro $5.00
by Ir. Setijo Pitojo $6.00
by Kh. Athian Ali $7.00
by Dr. Niels Mulder $9.00