Rohaeti, Eli, and Senam Senam. “BIODEGRADATION OF POLYURETAN RESULTS OF SYNTHESIS OF SOYBEAN OIL, GLYCOLOLY POLYOKYLETHLES, AND METHYLES-4,4’-DIFENILDIISOSIANAT”. Jurnal Penelitian Saintek 15, no. 2 (November 23, 2010). Accessed May 5, 2025. https://journal.uny.ac.id/index.php/saintek/article/view/1752.