Analisis dan peningkatan proses pengujian perangkat lunak berdasarkan test maturity model integration (TMMI): studi kasus PT XYZ = Analysis and improvement of software testing process based on test maturity model integration (TMMI): case study of PT XYZ - Muhammad Agung Tri Laksono, author (Fakultas Ilmu Komputer Universitas Indonesia, 2018)