EHTEMAMI, Negar; AGHELI, Lotf Ali; PEYKARJOU, Kambiz. Examining the Effects of the COVID-19 Crisis, Financial Stress, and Oil Price Volatility on Stock Return Volatility of Pharmaceutical Companies During Recession and Expansion Periods. Journal of Management and Business Solutions, [S. l.], p. 1–19, 2027. Disponível em: https://journalmbs.com/index.php/jmbs/article/view/279.. Acesso em: 10 jun. 2026.