RAYA, Danilo Erwin A..
 CONCENTRATION RATIOS, FINANCIAL LEVERAGE AND PROFITABILITY: THE CASE OF SELECTED PHILIPPINE CORPORATIONS, 1997-2006.
<strong>Philippine Management Review</strong>, [S.l.], v. 15, nov. 2009.
Available at: &lt;<a href="https://journals.upd.edu.ph/index.php/pmr/article/view/1504" target="_new">https://journals.upd.edu.ph/index.php/pmr/article/view/1504</a>&gt;. Date accessed: 03 sep. 2025.