Suhaimi, L., A. Tirta, and M. H. Alfaruqi. “THEORETICAL INVESTIGATION OF DIVALENT ION INSERTION INTO TUNNEL-TYPE MANGANESE DIOXIDE POLYMORPH”. OISAA Journal of Indonesia Emas, Vol. 3, no. 1, Jan. 2020, pp. 1-4, doi:10.52162/jie.2020.003.01.1.