Hardanti, S., and B. Gunawan. “PENGARUH SIZE, LIKUIDITAS, PROFITABILITAS, RISIKO, DAN PERTUMBUHAN PENJUALAN TERHADAP STRUKTUR MODAL”. Journal of Accounting and Investment, vol. 11, no. 2, Feb. 2016, pp. 148-65, https://journal.umy.ac.id/index.php/ai/article/view/1080.