Escobar M, Rubio J. Physicochemical, petrographic and rheologic evaluation of seams 2 and 3 coals from Mina Norte, Guajira municipality, Zulia state, Venezuela. REV TEC FAC ING UNIV [Internet]. 1 [citado 2 de mayo de 2024];34(3). Disponible en: https://produccioncientificaluz.org/index.php/tecnica/article/view/7188