Zen, Nur Afifah, Indah Permatasari, Irmayatul Hikmah, Prasetyo Yuliantoro, and Dina Rahmawati. “UTILIZATION OF ULTRASONIC WAVE IN THE PRODUCTION OF REDUCED GRAPHENE OXIDE FROM COCONUT SHELL BIOMASS: ECO-FRIENDLY AND SUSTAINABLE APPROACH”. Indonesian Physical Review 8, no. 2 (March 12, 2025): 391–399. Accessed April 3, 2025. https://ipr.unram.ac.id/index.php/ipr/article/view/434.