Anisa, N. “Effect of Total Asset Turnover and Net Profit Margin on Company Value at PT Bumi Resources Tbk from 2012 to 2021”. Indonesian Financial Review, vol. 3, no. 1, Oct. 2023, pp. 68-86, http://ypppal-amsi.or.id/penelitian/index.php/IFR/article/view/26.