Abdullayeva İradə Qurban, and Lamiya Məmmədova. “Phenol-Formaldehyde Oligomers Are of Different Nature Synthesis, Research and Application With Compounds”. Progress in Science, no. 1 (December 18, 2022). Accessed July 21, 2026. https://ojs.scipub.de/index.php/PS/article/view/551.