by WK $9.00
by Tanenbaum $13.00
by $6.00
by Parwadi Moengin $11.00
by Artono A $7.00
by Aziz Alimul $9.00
by Dr. Ahmad Jayadi, M.Pd $7.00
by Robert E. Baldwin $7.00
by Ravianto $6.00
by Thomas Sri Widodo $9.00
by Ir. H. Rahmat Rukmana, MBA., MSc. $5.00