Jaimes-Cerveleón L, Fernández-Ledesma JD, Mendoza LE. Optimization tools for the coal sector of the northern department of Santander. Mundo Fesc [Internet]. 2020 Jan. 1 [cited 2026 Nov. 13];10(19):179-93. Available from: https://fesc.edu.co/Revistas/OJS/index.php/mundofesc/article/view/729