by Prof. Drs. H. Soegyarto Mangkuatmodjo $9.00
by Rinto Habsari $13.00
by Santso C. $9.00
by Ny. Lim $9.00
by Dr. Ronald Hutapea, SKM, Ph.D $9.00
by Sisca Susanto $7.00
by Maurice Duverger/Alfian $12.00