SILITONGA, Adri Ely Erien; RAJAGUKGUK, Juniastel. PREPARASI DAN KARAKTERISASI SIFAT OPTIK ION EUROPIUM (EU2O3) DIDOPING DALAM SISTEM GELAS BORON TRIOKSIDA (B2O3). EINSTEIN (e-Journal), [S. l.], v. 11, n. 2, p. 108–115, 2023. DOI: 10.24114/eins.v11i2.38015. Disponível em: https://jurnal.unimed.ac.id/2012/index.php/einsten/article/view/38015. Acesso em: 12 oct. 2025.