“INNOVATIVE DRYING AND BENEFICIATION TECHNOLOGIES FOR ENHANCING THE CALORIFIC VALUE OF ANGREN LIGNITE COAL”. Multidisciplinary Journal of Science and Technology 6, no. 5 (May 12, 2026): 221–229. Accessed May 19, 2026. https://www.mjstjournal.universalpublishings.com/index.php/mjst/article/view/7377.