by Hasbullah Thabrany (ed.) $11.00
by Tanenbaum $13.00
by WK $12.00
by WK $13.00
by dr. Iwan Ikayuda, dr. Sukonto K., Prof. dr. Sjahriar R $20.00
by Th. Endang Purwoastuti $6.00
by Zhaenal Fanani $6.25