Marlina, M. Farida, and Mustanir. “Synthesis and Characterization of Polyurethane Membrane from Nyamplung Seed Oils (Calophyllum Inophillum)”. Asian Journal of Chemistry 29, no. 9 (July 15, 2017): 1912–1916. Accessed November 25, 2024. https://asianpubs.org/index.php/ajchem/article/view/29_9_8.