“The merger between Dow Chemical and DuPont results in the biggest chemical company in the world; Merck finishes Sigma-Aldrich acquisition”, Rev. Quim., vol. 29, no. 2, pp. 2–4, Jan. 2015, Accessed: Sep. 19, 2026. Available: https://revistas.pucp.edu.pe/index.php/quimica/article/view/14695