by Moch. Faisal Salam, S.H., M.H. $8.00
by Suryokusumo, Sumaryo $6.00
by Topo Santoso & Eva Achjani Zulfa $6.00
by Drs. Johansyah Lubis, M.Pd $7.00
by Leden Marpaung, S.H. $9.00
by Prof. Dr. Veithzal Rivai $12.00