[1]
fatih chellai, “The Trajectory of Corona-virus and Peoples’ Concern in Africa: A Markov Switching Regression Model Based on Google Trends® Analysis”, jmss, vol. 1, no. 1, pp. 40–49, Oct. 2020, Accessed: Nov. 30, 2025. [Online]. Available: https://al-kindipublishers.org/index.php/jmss/article/view/542