Marini, A., & Hariyanto, W. (2023). Stock Portfolio Risk and Return: Indonesia vs. China During Covid-19: Perbandingan Risiko dan Pengembalian Portofolio Saham: Indonesia vs. China Selama Pandemi Covid-19 dengan Menggunakan Model Indeks Tunggal. Academia Open, 9(1), 10.21070/acopen.9.2024.3782. https://doi.org/10.21070/acopen.9.2024.3782