Dewi, Ismawati Kusuma, and Achmad Lutfi. “Chem-Rox Games As A Learning Media For The Concept of Reduction and Oxidation Reactions Material to Increase Students Learning Motivation”. Chemistry Education Practice, vol. 4, no. 1, May 2021, pp. 59-65, doi:10.29303/cep.v4i1.2397.