Lee, Albert, and Yulfiswandi Yulfiswandi. “THE INFLUENCE OF PROFITABILITY RATIOS, DER, PBV, AND COVID19 ON STOCK RETURNS”. Jurnal Keuangan dan Bisnis 22, no. 1 (March 31, 2024): 32–42. Accessed September 19, 2024. http://103.165.236.247/index.php/jkb/article/view/1040.