Y E Gunanto, et al. “THE EFFECT OFCu-DOPING ON CRYSTAL STRUCTURE AND MAGNETORESISTANCE IN La0.73 Ca0.27 Mn1-Y CuyO3 WITH 0 < Y < 0.19”. Jurnal Sains Materi Indonesia, vol. 14, no. 3, Oct. 2026, pp. 199-02, https://ejournal.brin.go.id/jsmi/article/view/6118.