Pengujian konstitusional undang-undang ratifikasi oleh Mahkamah Konstitusi ditinjau dari karakteristik undang-undang: analisis putusan Mahkamah Konstitusi No. 33/PUU-IX/2011 = Constitutional review towards ratification act by constitutional court according to characteristic of law: analysis decision of the constitutional court number 33/PUU-IX/2011