Nanang Rusliana, and Salma Huda Aulia. “The CAPM METHOD AS A TOOL FOR MEASUREMENT OF STOCK INVESTMENT EFFICIENCY”. Nusantara Journal Of Management Business (NUMABI), vol. 1, no. 2, Feb. 2024, pp. 11-20, https://journal-lkpdci.tematikapertanusantara.sch.id/index.php/numabi/article/view/36.