S. Aisyah, A. Mubarok, and I. Nurhayati, “ANALISISECONOMIC VALUE ADDED (EVA) DAN MARKET VALUE ADDED (MVA) PADA PT. PP LONDON SUMATRA TBK & PT. BW PLANTATION TBK. (PERIODE 2008-2011)”, Inovator, vol. 2, no. 2, Sep. 2013.