“ SYNTHESIS AND EVALUATION OF NI₁₋ₓMNₓFE₂O₄ FERRITE AS A POTENTIAL RADAR ABSORBING MATERIAL” (2026) Spektrum Akademika: Jurnal Multidisiplin, 1(1), pp. 317–326. Available at: https://journal-edu.org/index.php/jsa/article/view/303 (Accessed: 21 August 2026).