by - $16.00
by Dr. Soegeng Santoso, M.Pd dan Dra. Anne Lies Ranti., M.Pd $9.00
by Adler, Hans A $6.00
by Boye de Mente $12.00
by Anthony G. Athos $9.00
by Prof. J. Suprapto, M.A. APU $11.00