Arman, M. et al. 2023. Effect of Liquid Smoke from Pyrolysis of Durian Skin and Etanol Extract of Orange Peel as Bio Hand Sanitizer. al Kimiya: Jurnal Ilmu Kimia dan Terapan. 10, 2 (Dec. 2023), 98–106. DOI:https://doi.org/10.15575/ak.v10i2.25460.