Sönmez İbrahim, Şahbudak K. Optimization of sponge iron (direct reduced iron) production with Box-Wilson experimental design by using iron pellets and lignite as reductant. Rev. metal. [Internet]. 2023Oct.31 [cited 2024Jul.27];59(2):e241. Available from: https://revistademetalurgia.revistas.csic.es/index.php/revistademetalurgia/article/view/1565