ASH-SLAG WASTE AS A TECHNOGENIC SOURCE OF GERMANIUM AND RARE EARTH ELEMENTS . INTERNATIONAL CONFERENCE ON MEDICINE, SCIENCE, AND EDUCATION, [S. l.], v. 3, n. 7, p. 18–20, 2026. Disponível em: https://universalconference.us/index.php/icmse/article/view/7864. Acesso em: 11 oct. 2026.