Rifathin, Annisa, Dwi Novriadi, Zarlina Zainuddin, Nanda Nagara, and Athanasia Amanda Septevani. “Rigid Polyurethane Foam Reinforced with Microfibrillated Cellulose from Oil Palm Empty Fruit Bunches as Efficient Thermal Insulation”. Applied Science and Engineering Progress 19, no. 3 (June 26, 2026): 8006. accessed September 17, 2026. https://ph02.tci-thaijo.org/index.php/ijast/article/view/260080.