Pratama A, Satyahadewi N, Sulistianingsih E. ANALYSIS OF OPTIMAL PORTFOLIO FORMATION ON IDX30 INDEXED STOCK WITH THE MEAN ABSOLUTE DEVIATION METHOD. BAREKENG: J. Math. & App. [Internet]. 31Jul.2024 [cited 6Aug.2024];18(3):1753-64. Available from: https://ojs3.unpatti.ac.id/index.php/barekeng/article/view/12330