Pengaruh Financial Leverage Dan Operating Leverage Terhadap Rentabilitas PT Kalbe Farma, Tbk. J. Kaji. Ilm. [Internet]. 2020 Jan. 25 [cited 2024 Nov. 21];20(1):29-42. Available from: https://ejurnal.ubharajaya.ac.id/index.php/JKI/article/view/68