by Tanenbaum $13.00
by WK $12.00
by WK $11.00
by Prof. Dr. Arjatmo Tjokronegoro, Ph.D., SpAnd. $6.00
by Prof. dr. H. Sidarta Ilyas, SpM $9.00
by $7.00
by Khalil Abdul Karim $11.00
by Halimuddin, S.H $7.00
by Brooks $20.00
by Novriyanda SA $20.00
by Prof. Dr. H. Zainuddin Ali, M. A. $9.00