by Sumantoro $7.00
by Nasution, Harun $6.00
by Dr. Ronald Hutapea, SKM, Ph.D $9.00
by Dripa Sjabana $7.00
by Prof. dr. Sidarta Ilyas, Sp.M $13.00
by Hartini Sundoro, Edi $9.00
by Nalbandov, A.V $7.00
by Soeharto R.M., S.H. $9.00