ALIYU, A.; IMAM, R. I.; GALADIMA, A. I.; SULEIMAN, S. A. PROGRESS ON THE BREAKDOWN VOLTAGES AND LEAKAGE CURRENTS ANALYSIS OF MULLITE PRODUCED FROM KAOLIN. FUDMA JOURNAL OF SCIENCES, v. 7, n. 3, p. 302 - 307, 30 Jun. 2023.