Khaidir , Rahayu Emilia Mohamed, et al. “Influence of Sintering Temperature on Phase Formation and Superconducting Properties of Bi2Sr2CaCu2O8+δ via Thermal Treatment Method”. Journal of Material Science and Radiation, vol. 1, no. 1, Apr. 2025, pp. 1-6, https://journals.balaipublikasi.id/index.php/jmsr/article/view/359.