Arlina, A. ., Karim, Y., Chen, S. ., Halim, S. ., & Awang Kechik, M. . (2016). 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), 4(2), 75–77. https://doi.org/10.47253/jtrss.v4i2.609