by Titik F. Djafar - Siti Rahayu $6.00
by Dr. Med. Udayana Gendo $0.00
by Tanenbaum $13.00
by Ir. Hieronymus Budi Santoso $5.00
by Al. Purwa Hadiwardoyo, MSF. $4.00
by WK $11.00
by Ir. M. Lies Suprapti $6.00