Ekasasmita W, Tunnisa K, Aditya MT. The Application of Discrete Hilbert transform in Measuring Asset Return Risk in Investment Portfolios. j. akunt. keuang. manaj. [Internet]. 2025 Mar. 11 [cited 2025 May 19];6(2):399-408. Available from: https://penerbitgoodwood.com/index.php/Jakman/article/view/3803