Maiswari , Diah A. P., et al. “Effect of Variation of Sugarcane Bagasse and Salak Peel Composition on Moisture Content and Combustion Rate of Biomass Briquettes”. Indonesian Journal of Energy, vol. 9, no. 2, Aug. 2026, pp. 137-46, doi:10.33116/ije.v9i2.301.