by Vincent Gaspersz $11.00
by Drs. Khaelany H.D., M.A. $6.00
by Drs. Sudarso $7.00
by M. Aziz Toyibin dan A. Kosasih Djahiri $12.00
by Ir. Mul Muyani Sutedjo $12.00
by Aan Rohanah, S.Pd $6.00