Rindayatno, et al. “Characteristics of Charcoal Briquettes, Activated Charcoal, and Liquid Smoke from Palm Shells (Elais Guineensis Jacq)”. Formosa Journal of Sustainable Research, vol. 1, no. 7, Dec. 2022, pp. 1199-12, doi:10.55927/fjsr.v1i7.2192.