S. Humaidi, A. Warman, K. Kharismayanti, P. S, and P. S, “The Effect of Composition and Sintering Temperature on Magnetic Properties of Ba-Hexaferrite”, IJSBAR, vol. 29, no. 2, pp. 224–230, Aug. 2016, Accessed: Sep. 18, 2025. [Online]. Available: https://gssrr.org/JournalOfBasicAndApplied/article/view/6149