Khoiri R, Ismanto D. PENGARUH HARI PERDAGANGAN TERHADAP RETURN SAHAM (PENGUJIAN THE DAY OF THE WEEK, WEEK-FOUR EFFECT, DAN ROGALSKI EFFECT) PADA PERUSAHAAN KEUANGAN DI BURSA EFEK INDONESIA PERIODE 2017. J. Fokus Manaj. Bisnis. [Internet]. 2020Jan.15 [cited 2024Nov.21];9(1):120-3. Available from: http://journal2.uad.ac.id/index.php/fokus/article/view/1554