Abida M, Mnif E. Investor Attention in Cryptocurrency Markets: Examining the Effects of Vaccination and COVID-19 Spread through a Wavelet Approach. IJEFI [Internet]. 2023 Sep. 13 [cited 2024 May 13];13(5):43-51. Available from: https://econjournals.com/index.php/ijefi/article/view/14727