Luong, Dam, Tam Mai, Nguyen Mai, and Thoi Do. “Research on Modifying of Recycling Polyol from Waste Polyurethane Foam by Vegetable Oil for Producing Insulation Materials”. JOURNAL OF MATERIALS & CONSTRUCTION 13, no. 01 (May 28, 2023): Page 19 – Page 25. Accessed December 22, 2024. https://ojs.jomc.vn/index.php/en/article/view/510.