Ngobeni, P., Ngoepe, P., & Maenetja, K. (2022). Structural and electronic properties of β-MnO2 employing DFTB technique. Suid-Afrikaans Tydskrif Vir Natuurwetenskap En Tegnologie / <i>South African Journal of Science and Technology</I&gt;, 40(1), 133-136. Retrieved from http://satnt.co.za/index.php/satnt/article/view/893