Waadallah Ahmed, Ammar. “Methanol Effect on Color Stability and Shelf Life of Phenolic Resin Compound under Acidic Conditions”. Iraqi Journal of Chemical and Petroleum Engineering 10, no. 3 (September 30, 2009): 57–63. Accessed November 22, 2024. https://ijcpe.uobaghdad.edu.iq/index.php/ijcpe/article/view/414.