Iskandar, T. and Fitri, A. C. K. (2022) “Thermal Energy Conversion in Making Biochar from Jengkok Tobacco Waste Using Pyrolysis Extrusion Model”, Jurnal Teknik Kimia dan Lingkungan, 6(2), pp. 147–153. doi: 10.33795/jtkl.v6i2.341.