Analisis yuridis kedudukan negara sebagai subjek hukum perdata di dalam kontrak bagi hasil production sharing contract PSC pada kegiatan usaha hulu minyak dan gas bumi di Indonesia = Juridical analysis on the country legal position as the subject of civil law in the production sharing contract psc on the petroleum and natural gas upstream industry in Indonesia / Hisar Johannes - Hisar Johannes, author (Fakultas Hukum Universitas Indonesia, 2014)