Penyidikan tindak pidana anggota Polri oleh Bareskrim Polri: Studi kasus penyidikan terhadap perwira tinggi Polri = The investigation conducted by the Criminal Investigation Department (CID) of Indonesian National Police (INP) on criminal offence committed by the Indonesian National Police members: A case study of an investigation of high-rank police officers of INP - Engkesman R. Hillep, author (Universitas Indonesia, 2007)