Giyanto, Thohirudin, and M. Nasrun. “SYNTHESIS OF GRAPHENE NANOSHEETS FROM COCONUT SHELLS AT A ROASTING TEMPERATURE OF 220°C AND A PYROLYSIS TEMPERATURE OF 500°C USING SEM-EDX OBSERVATIONS AND PERFORMANCE TESTS”. Bulletin of Engineering Science, Technology and Industry 4, no. 3 (September 7, 2026): 1965–1977. Accessed September 9, 2026. https://bestijournal.org/index.php/go/article/view/235.