by Eugene L. Grant. Terj. Drs. E. Komaruddin $13.00
by Bambang Soepeno, M.Pd $9.00
by Ir. Suharto $7.00
by H. Rahmat Rukmana $5.00
by Prof. DR. Made Pidarta $11.00
by Drs. Ibnu Syamsi, S.H $7.00