Rahmatullah, Arief and Mahadwartha, Putu Anom and Ernawati, Endang (2021) The Effect Of Ramadan Month On Stock Return And Volatility Of A Sharia-Based Index. Journal of Entrepreneurship & Business (JEB), 2 (2). pp. 119-133. ISSN 2721-706X
Rahmatullah, Arief (2019) Pengaruh Bulan Ramadhan terhadap Stock Return Dan Volatility pada Indeks Berbasis Syariah. [Undergraduate thesis]