Ramadhina Anjani Nasution, Ananda Nafisa Shania Faita, Nathania Steffanie Darmawan, and Anisa Sofieta, “ANALISIS EXPECTED RETURN DAN STANDAR DEVIASI PADA SAHAM LQ45 SEKTOR E-COMMERCE”, Indonesian Journal of Economics and Strategic Management, vol. 3, no. 1, Mar. 2025.