Iswadi T, Nada TS, Adif RM, Welhendra. Pengujian Monday Effect dan Weekend Effect Terhadap Return Saham Perusahaan di Jakarta Islamic Indeks (JII) Periode Sebelum dan Sesudah Covid - 19. INFEB [Internet]. 2022Dec.31 [cited 2025Dec.4];4(4):239-43. Available from: https://www.infeb.org/index.php/infeb/article/view/182