by WK $12.00
by Ir. Hieronymus Budi Santoso $5.00
by Ir. Rahmat Rukmana $5.00
by Tanenbaum $13.00
by Tierney $12.00
by Markus Zahnd $7.00
by Rosady Ruslan $12.00
by Tim Redaksi Tatanusa $18.00
by $16.00
by WK $18.00
by Pusham UBAYA $6.00
by Yayori Matsui $21.00