by Hendi Suhendi $9.00
by John H. Procton $7.00
by Ratih Sang $7.00
by Blowers, Andrew & G. Thompson $9.00
by Drs. Agus M. Hardjana, M.Sc., Ed $6.00
by Prof. Dr. Husaini Usman, M.Pd & R. Purnomo Setiady Akbar, S.Pd., M.Pd $11.00