BERLI, Ade Usra; DAHLAN, Dahyunir; UMAR, Akrajas Ali. Pengaruh Lama Penumbuhan Titanium Dioksida Didoping Copper Terhadap Energi Gap. JURNAL ILMU FISIKA | UNIVERSITAS ANDALAS, [S. l.], v. 8, n. 2, p. 60–63, 2017. DOI: 10.25077/jif.8.2.60-63.2016. Disponível em: https://jif.fmipa.unand.ac.id/index.php/jif/article/view/151. Acesso em: 14 mar. 2026.