Perbandingan konsep pidana adat berdasarkan UU No. 1 darurat tahun 1951 dan rancangan KUHP ditinjau dari asas legalitas = Comparative study on the concept of adat criminal law based on law No.1 emergency in 1951 and the draft criminal code in terms of the principle of legality / Ardy Wirawan ([Fakultas Hukum Universitas Indonesia, Fakultas Hukum Universitas Indonesia], 2014)