chanpirak, arphaphon. “The Effect of Ammonium Sulphate on Fire Retardancy and Thermal Decomposition Mechanism of Rubberwood by LOI and TGA/DTG”. Naresuan University Engineering Journal 13, no. 2 (November 30, 2018): 1–9. Accessed May 5, 2024. https://ph01.tci-thaijo.org/index.php/nuej/article/view/89521.