Awwad, Akl M, Khalida A Jaffer, and A. H. Sulymon. “Liquid-Liquid Equilibria of N-Methylpyrrolidone and Hydrocarbon”. Iraqi Journal of Chemical and Petroleum Engineering 2, no. 4 (December 30, 2001): 48–50. Accessed May 21, 2024. https://ijcpe.uobaghdad.edu.iq/index.php/ijcpe/article/view/603.