Saputra, K., 		Inayah, R., 		Aminy, I., 		Ardianto, T., & 		Kurniawidi, D.
2025 Nov 22.  Electronic Properties of Fe3-xCoxO4 (x = 0.25 and 0.375) Synthesized from Natural Iron Sand: Evaluation of Band Gap and Urbach Tail. Jurnal Teras Fisika: Teori, Modeling, dan Aplikasi Fisika. [Online] 8:2