Sanusi Silitonga, Eddy. “Stock Prices Affected by Debt to Equity Ratio and Net Profit Margin in Pharmaceutical Sub-Sector Companies Listed on The Indonesia Stock Exchange (IDX) For the 2019-2020 Period”. Dinasti International Journal of Economics, Finance & Accounting 2, no. 5 (December 15, 2021): 511–517. Accessed May 10, 2025. https://dinastipub.org/DIJEFA/article/view/1061.