Brahmia, Fatima Zohra. “Flame Retardancy of Scots Pine (Pinus Sylvestris) by Using Polyethylene Glycol 400 and Phosphoric Acid”. International Journal of Psychosocial Rehabilitation 24, no. 4 (June 30, 2020): 507–515. Accessed May 11, 2025. https://psychosocial.com/PSY/index.php/ijpr/article/view/3644.