Jevan Michael, Shella Koirun Nisa, Serina Muslimah, and Jazilatul Wafiroh. 2025. “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 3 (1). https://doi.org/10.69718/ijesm.v3i1.398.