Analisis Degree of Economic Leverage (DEL), Degree of Operating Leverage (DOL), dan Degree of Financial Leverage (DFL) terhadap risiko sistematik di Bursa Efek Jakarta - , KARUNIANDARI, Putri Hervie; , Prof.Dr. Eduardus Tandelilin, MBA ([Yogyakarta] : Universitas Gadjah Mada, 2006)