Amine BEN AMAR, Wassini ARRASSEN, Jean YVES MOISSERON, and Khaled GUESMI. 2021. “FINANCIAL CONTAGION BEFORE AND DURING THE COVID-19 MEDICAL SHOCK”. Bankers, Markets & Investors 167 (4). PARIS, France.:17. https://www.journaleska.com/index.php/bmi/article/view/8823.