by Sulaiman $9.00
by Redaksi Rineka Cipta $9.00
by Dr. Soegeng Santoso, M.Pd dan Dra. Anne Lies Ranti., M.Pd $9.00
by Michael J. Tang $13.00
by Dr. Hj. Fathul Djannah SH $6.00
by Ir. Moehar Daniel, M.S $7.00