“Efficient Synthesis of P-Phenylenediamine from PET Waste via Energy-Efficient Depolymerization and Green Hofmann Rearrangement”. International Journal of Biology and Chemistry 19, no. 1 (June 30, 2026): 133–142. Accessed July 28, 2026. https://ijbch.kaznu.kz/index.php/kaznu/article/view/1127.