Maya Puspitasari Izaak, M. P. I.; Yohanes Edi Gunanto, Y. E. G.; Henni Sitompul, H. S.; Yustinus Purwamargapratala, Y. P. Effects of Zinc-Ion Substitution on the Structure and Electrical Conductivity of Sodium-Nickel-Manganese Materials As Cathode Materials: Maya Puspitasari Izaak, Yohanes Edi Gunanto, Henni Sitompul, Yustinus Purwamargapratala. J.Fis. dan Apl. 2025, 19.