Noval Adib 2024. The Impact of Turn-Of-The-Year Effect and Month of Ramadan Effect on Abnormal Return During The Covid-19 Pandemic Era: A Comparison of Two Event Studies of Calendar Anomalies in The Indonesian Stock Market. AZKA International Journal of Zakat & Social Finance. 5, 1 (Mar. 2024), 113-122. DOI:https://doi.org/10.51377/azjaf.vol5no1.184.