Putra, Thedorus Hendrik Degey (2022) PENGARUH CORPORATE SOCIAL RESPONSIBILITY, PERSEPSI KEADILAN DAN ORGANIZATIONAL CITIZENSHIP BEHAVIOR TERHADAP WORK ENGAGEMENT (Studi Pada Karyawan Karyawan Underground GBC Mine – GBC Operation, GBC Batching Plant PT Freeport Indonesia). Skripsi thesis, Universitas Mercu Buana Yogyakarta.