by Prof. Dr. Husaini Usman, M.Pd & R. Purnomo Setiady Akbar, S.Pd., M.Pd $11.00
by Prof. Syekh Abdul Aziz Syawisy $6.00
by Gabriel A. Almond $13.00
by dr. Boyke Dian Nugraha $7.00
by Joeniarto, S.H $9.00
by Tobi Moektijono $6.00