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. Indonesian Journal of Economics and Strategic Management [Internet]. 2025 Mar. 31 [cited 2026 Oct. 22];3(1). Available from: https://journal.drafpublisher.com/ijesm/article/view/398