Audit tata kelola teknologi informasi dan komunikasi melalui pendekatan Maturity Assesment Tools COBIT 4.1 : studi kasus pada PT. Semen Gresik Persero, Tbk. = Audit of information technology and communication governance by using maturity assesment tools COBIT 4.1 : case study in PT. Semen Gresik Persero, Tbk - Evy Junita, author (Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2012)