by $11.00
by Prof. Drs. S. Pamudji, M.P.A $7.00
by Syaiful F. Prihadi $13.00
by Drs. CST. Kansil, S.H $12.00
by Herbert G. Hick dan G. Ray Gullet $20.00
by Dolf de Roos, Ph.D $9.00