ALORRO, Richard D. Technospheric Mining Towards a Circular Economy. Central Mindanao University Journal of Science, [S. l.], v. 22, n. 2, p. 5–7, 2019. DOI: 10.52751/71djeb23. Disponível em: http://js.cmu.edu.ph/CMUJS/article/view/47.. Acesso em: 26 aug. 2026.