Masturi, Masturi, Dante Alighiri, Fadhillah Choirunnisa, and Kurnia Galuh Candra Kirana. “HIGH STRENGTH MANGO LEAF WASTE/POLYURETHANE COMPOSITE REINFORCEMENT USING QUARTZ MATERIAL”. Spektra: Jurnal Fisika dan Aplikasinya 8, no. 1 (April 30, 2023): 55 - 64. Accessed March 29, 2024. https://journal.unj.ac.id/unj/index.php/spektra/article/view/34073.