by Fachruddin H.S $18.00
by Ir. Sumeru Ashari, M.A gr. Sc $7.00
by Drs. Daryanto $13.00
by John Z. Loudoe, S.H $7.00
by Drs. Burhanuddin Salam $9.00
by Bambang Dwiloka & Rati Riana $9.00