Amiraslanova, M.N. “Synthesis of Nitrogen-Containing Phenol Formaldehyde oligomers,grafted With Vegetable Oils”. JOURNAL OF ADVANCES IN CHEMISTRY 11, no. 8 (October 16, 2015): 3819–3827. Accessed July 3, 2024. https://rajpub.com/index.php/jac/article/view/2189.