ZULATAMA, A.; SYARIF, A. .; YERIZAM, M. . Effect of Oxygen Flow Rate on Combustion Time and Temperature of Underground Coal Gasification. International Journal of Research in Vocational Studies (IJRVOCAS), [S. l.], v. 1, n. 2, p. 27–33, 2021. DOI: 10.53893/ijrvocas.v1i2.27. Disponível em: https://journal.gpp.or.id/index.php/ijrvocas/article/view/27. Acesso em: 5 oct. 2024.