“Studying the Electrical properties and microstructure of the SnO2-Co3O4-Nb2O5 varistor doped with Lanthanum oxide (La2O3)” (2021) Damascus University Journal for the basic sciences, 35(1). Available at: https://journal.damascusuniversity.edu.sy/index.php/basj/article/view/1061 (Accessed: 19 August 2026).