Nugraha, Isna, Husna Zaka Anshori, Tivani Nava Arier, Izra Noor Aliya, Dwi Mulyati Ningrum, and Achmad Gufron. “Utilization of Siwalan Waste (Borassus Flabellifer L.) As a Prototype of Active Carbon-Based Batteries Using Brunauer Emmett Teller (BET) and Analysis of Variance (ANOVA) Method”. IJIEM - Indonesian Journal of Industrial Engineering and Management 5, no. 3 (March 20, 2025): 663–670. Accessed May 28, 2026. https://training-ojs3-publikasi.mercubuana.ac.id/index.php/ijiem/article/view/23892.