JEVAN MICHAEL; SHELLA KOIRUN NISA; SERINA MUSLIMAH; JAZILATUL WAFIROH. PERFORMA SAHAM OPERATOR SELULER DI LQ45: ANALISIS EXPECTED RETURN DAN STANDAR DEVIASI PADA SAHAM TLKM, EXCL, DAN ISAT. IJESM Indonesian Journal of Economics and Strategic Management, [S. l.], v. 3, n. 1, 2025. DOI: 10.69718/ijesm.v3i1.398. Disponível em: https://journal.drafpublisher.com/ijesm/article/view/398. Acesso em: 22 oct. 2026.