Hilman MI, Koesrindartoto DP. Revisit the Use of Index Returns as the Proxy of Market Return in CAPM. Eqien [Internet]. 2023 Sep. 5 [cited 2025 Aug. 29];12(03):315-27. Available from: http://stiemuttaqien.ac.id/ojs/index.php/OJS/article/view/1492