Synthesis and Effect of Al2O3 Added in Yttrium Barium Copper Oxide YBa2Cu3O? by Solid State Reaction Method. Journal of Tropical Resources and Sustainable Science (JTRSS) , [S. l.], v. 4, n. 2, p. 75–77, 2016. DOI: 10.47253/jtrss.v4i2.609. Disponível em: https://journal.umk.edu.my/index.php/jtrss/article/view/609. Acesso em: 22 aug. 2025.