“Stock Market Movement of the world’s: World’s Major Pharmaceutical Companies in the Pandemic Era”. FACE: Revista de la Facultad de Ciencias Económicas y Empresariales 25, no. 2 (June 3, 2025): 217–225. Accessed October 15, 2025. https://ojs.unipamplona.edu.co/index.php/face/article/view/4030.