ISKANDAR, T.; FITRI, A. C. K. Thermal Energy Conversion in Making Biochar from Jengkok Tobacco Waste Using Pyrolysis Extrusion Model. Jurnal Teknik Kimia dan Lingkungan, [S. l.], v. 6, n. 2, p. 147–153, 2022. DOI: 10.33795/jtkl.v6i2.341. Disponível em: https://jurnal.polinema.ac.id/index.php/jtkl/article/view/1629. Acesso em: 6 nov. 2026.